MODERN PHYSICS. A. s c B. dss C. u

Save this PDF as:
Size: px
Start display at page:

Download "MODERN PHYSICS. A. s c B. dss C. u"

Transcription

1 MODERN PHYSIS Name: Date: 1. Which color of light has the greatest energy per photon? 4. The composition of a meson with a charge of 1 elementary charge could be. red. green. blue D. violet. s c. dss. u b D. u c d 2. Light of constant intensity strikes a metal surface. The frequency of the light is increased from cycles per second to cycles per second. Photoelectrons are emitted by the metal surface when the frequency reaches cycles per second. s the frequency of the incident light increases, the photons striking the metal surface increase in. number. energy. speed D. wavelength 3. If the intensity of the incident light were increased while the frequency was kept constant, the maximum kinetic energy of the emitted photoelectrons would. decrease. increase. remain the same 5. ase your answer(s) to the following question(s) on the information below. Two experiments running simultaneously at the Fermi National ccelerator Laboratory in atavia, Ill., have observed a new particle called the cascade baryon. It is one of the most massive examples yet of a baryon a class of particles made of three quarks held together by the strong nuclear force and the first to contain one quark from each of the three known families, or generations, of these elementary particles. Protons and neutrons are made of up and down quarks, the two first-generation quarks. Strange and charm quarks constitute the second generation, while the top and bottom varieties make up the third. Physicists had long conjectured that a down quark could combine with a strange and a bottom quark to form the three-generation cascade baryon. On June 13, the scientists running Dzero, one of two detectors at Fermilab s Tevatron accelerator, announced that they had detected characteristic showers of particles from the decay of cascade baryons. The baryons formed in proton-antiproton collisions and lived no more than a trillionth of a second. week later, physicists at DF, the Tevatron s other detector, reported their own sighting of the baryon... Source: D.., Pas de deux for a three-scoop particle, Science News, Vol. 172, July 7, 2007 Which combination of three quarks will produce a neutron? page 1

2 6. What is the magnitude and sign of the charge, in elementary charges, of a cascade baryon? 9. Which graph best represents the relationship between photon energy and photon frequency?.. 7. ompared to the mass and charge of a proton, an antiproton has. the same mass and the same charge. greater mass and the same charge.. the same mass and the opposite charge D. greater mass and the opposite charge D. 8. particle that is composed of two up quarks and one down quark is a. meson. neutron. proton D. positron page 2 MODERN PHYSIS

3 10. variable-frequency light source emits a series of photons. s the frequency of the photon increases, what happens to the energy and wavelength of the photon?. The energy decreases and the wavelength decreases.. The energy decreases and the wavelength increases.. The energy increases and the wavelength decreases. D. The energy increases and the wavelength increases. 13. ase your answer(s) to the following question(s) on the data table below. The data table lists the energy and corresponding frequency of five photons. Photon Energy (J) Frequency (Hz) D E In which part of the electromagnetic spectrum would photon D be found?. infrared. visible. ultraviolet D. x ray 11. The slope of a graph of photon energy versus photon frequency represents. Planck s constant. the mass of a photon. the speed of light D. the speed of light squared 14. The energy of a photon is inversely proportional to its. wavelength. speed. frequency D. phase 12. ll photons in a vacuum have the same. speed. wavelength. energy D. frequency 15. How many neutrons are there in U? D. 327 page 3 MODERN PHYSIS

4 16. The number of nucleons in the nucleus of a 14 6 atom is 20. Since charge must be conserved in the reaction shown, what charge must an electron antineutrino carry? D Which type of force causes the hyperbolic trajectory of alpha particles in Rutherford s scattering experiment?. gravitational. electrostatic. magnetic D. nuclear 21. ccording to the Standard Model, a proton is constructed of two up quarks and one down quark (uud) and a neutron is constructed of one up quark and two down quarks (udd). During beta decay, a neutron decays into a proton, an electron, and an electron antineutrino. During this process there is a conversion of a. u quark to a d quark 18. n excited hydrogen atom returns to its ground state. possible energy change for the atom is. loss of ev. gain of ev. d quark to a meson. baryon to another baryon D. lepton to another lepton. loss of 3.40 ev D. gain of 3.40 ev 19. ase your answer(s) to the following question(s) on the information and equation below. During the process of beta (β ) emission, a neutron in the nucleus of an atom is converted into a proton, an electron, an electron antineutrino, and energy. neutron proton + electron + electron antineutrino + energy 22. s a photon loses energy during a collision, its wavelength. decreases. increases. remains the same ased on conservation laws, how does the mass of the neutron compare to the mass of the proton? page 4 MODERN PHYSIS

5 23. What is conserved in a photon-particle collision?. mass, only. energy, only. momentum, only D. mass, energy, and momentum 26. ase your answer(s) to the following question(s) on the information below. lambda particle consists of an up, a down, and a strange quark. lambda particle can be classified as a. baryon. lepton. meson D. photon 24. Which phenomenon is most easily explained by the particle theory of light?. photoelectric effect. constructive interference. polarization D. diffraction 27. ccording to the Standard Model of Particle Physics, a meson is composed of. a quark and a muon neutrino 25. In an experiment, Ernest Rutherford observed that some of the alpha particles directed at a thin gold foil were scattered at large angles. This scattering occurred because the. a quark and an antiquark. three quarks D. a lepton and an antilepton. negatively charged alpha particles were attracted to the gold s positive atomic nuclei. negatively charged alpha particles were repelled by the gold s negative atomic nuclei. positively charged alpha particles were attracted to the gold s negative atomic nuclei D. positively charged alpha particles were repelled to the gold s positive atomic nuclei page 5 MODERN PHYSIS

6 Problem-ttic format version c Educide Software Licensed for use by Terms of Use at MODERN PHYSIS 5/17/ D D up, down, down. 25. D 6. 1e Neutron is more massive. 20. The charge on the electron antineutrino is zero or neutral.

Modern Physics, Waves, Electricity

Modern Physics, Waves, Electricity Name: Date: 1. Metal sphere has a charge of +12 elementary charges and identical sphere has a charge of +16 elementary charges. fter the two spheres are brought into contact, the charge on sphere is 4.

More information

1. What is the minimum energy required to excite a mercury atom initially in the ground state? ev ev ev

1. What is the minimum energy required to excite a mercury atom initially in the ground state? ev ev ev Page 1 of 10 modern bank Name 25-MAY-05 1. What is the minimum energy required to excite a mercury atom initially in the ground state? 1. 4.64 ev 3. 10.20 ev 2. 5.74 ev 4. 10.38 ev 2. The diagram represents

More information

Modern Physics What is the approximate length of a baseball bat? A m B m. C m D m

Modern Physics What is the approximate length of a baseball bat? A m B m. C m D m Modern Physics 2017 Name: Date: 1. What is the approximate length of a baseball bat?. 10 1 m. 10 0 m 6. The diagram below represents the bright-line spectra of four elements,,,, and D, and the spectrum

More information

Atomic emission & absorption spectra

Atomic emission & absorption spectra Name: Date: Modern Physics Models of the Atom The word atom comes from the Greek word atomos meaning indivisible We now know that this model of the atom is not accurate JJ Thompson Experiment and atomic

More information

Particles. Constituents of the atom

Particles. Constituents of the atom Particles Constituents of the atom For Z X = mass number (protons + neutrons), Z = number of protons Isotopes are atoms with the same number of protons number but different number of neutrons. charge Specific

More information

1. (a) An ion of plutonium Pu has an overall charge of C. (iii) electrons... (3) (2) (Total 5 marks)

1. (a) An ion of plutonium Pu has an overall charge of C. (iii) electrons... (3) (2) (Total 5 marks) AQA Questions from 2004 to 2006 Particle Physics 239 94 1. (a) An ion of plutonium Pu has an overall charge of +1.6 10 19 C. For this ion state the number of (i) protons... neutrons... (iii) electrons...

More information

Matter: it s what you have learned that makes up the world Protons, Neutrons and Electrons

Matter: it s what you have learned that makes up the world Protons, Neutrons and Electrons Name The Standard Model of Particle Physics Matter: it s what you have learned that makes up the world Protons, Neutrons and Electrons Just like there is good and evil, matter must have something like

More information

Particles and Waves Final Revision Exam Questions Part 1

Particles and Waves Final Revision Exam Questions Part 1 Particles and Waves Final Revision Exam Questions Part 1 Cover image: cutaway diagram of CERN, CERN Version 2013 P&W: Exam Questions Part 1 Version 2013 Contents Section 1: The Standard Model 1 Section

More information

Cumulative Review 1 Use the following information to answer the next two questions.

Cumulative Review 1 Use the following information to answer the next two questions. Cumulative Review 1 Use the following information to answer the next two questions. 1. At what distance from the mirror is the image located? a. 0.10 m b. 0.20 m c. 0.30 m d. 0.40 m 2. At what distance

More information

Questions Q1. * Rutherford designed an experiment to see what happened when alpha particles were directed at a piece of gold foil. Summarise the observations and state the conclusions Rutherford reached

More information

Physics 3204 UNIT 3 Test Matter Energy Interface

Physics 3204 UNIT 3 Test Matter Energy Interface Physics 3204 UNIT 3 Test Matter Energy Interface 2005 2006 Time: 60 minutes Total Value: 33 Marks Formulae and Constants v = f λ E = hf h f = E k + W 0 E = m c 2 p = h λ 1 A= A T 0 2 t 1 2 E k = ½ mv 2

More information

CfE Higher Physics. Particles and Waves

CfE Higher Physics. Particles and Waves Wallace Hall Academy CfE Higher Physics Particles and Waves Exam Questions Part 1 Cover image: cutaway diagram of CERN, CERN P&W: Exam Questions Part 1 Version 2013 Contents Section 1: The Standard Model

More information

Exam Results. Force between charges. Electric field lines. Other particles and fields

Exam Results. Force between charges. Electric field lines. Other particles and fields Exam: Exam scores posted on Learn@UW No homework due next week Exam Results F D C BC B AB A Phy107 Fall 2006 1 Particles and fields We have talked about several particles Electron,, proton, neutron, quark

More information

Particle Physics Outline the concepts of particle production and annihilation and apply the conservation laws to these processes.

Particle Physics Outline the concepts of particle production and annihilation and apply the conservation laws to these processes. Particle Physics 12.3.1 Outline the concept of antiparticles and give examples 12.3.2 Outline the concepts of particle production and annihilation and apply the conservation laws to these processes. Every

More information

FXA Candidates should be able to :

FXA Candidates should be able to : 1 Candidates should be able to : MATTER AND ANTIMATTER Explain that since protons and neutrons contain charged constituents called quarks, they are therefore, not fundamental particles. Every particle

More information

NUCLEAR AND PARTICLE PHYSICS (PH242) PARTICLE PHYSICS

NUCLEAR AND PARTICLE PHYSICS (PH242) PARTICLE PHYSICS NUCLEAR AND PARTICLE PHYSICS (PH242) PARTICLE PHYSICS History of Elementary Particles THE CLASSICAL ERA (1897-1932) Elementary particle physics was born in 1897 with J.J. Thomson s discovery of the ELECTRONS

More information

Bosons in the Zoo of Elementary Particles

Bosons in the Zoo of Elementary Particles Bosons in the Zoo of Elementary Particles Daniele Sasso * Abstract In this paper we want to raise the question concerning the physical identity of bosons and the function that they perform in the Non-Standard

More information

Every atom has a nucleus which contains protons and neutrons (both these particles are known nucleons). Orbiting the nucleus, are electrons.

Every atom has a nucleus which contains protons and neutrons (both these particles are known nucleons). Orbiting the nucleus, are electrons. Atomic Structure Every atom has a nucleus which contains protons and neutrons (both these particles are known nucleons). Orbiting the nucleus, are electrons. Proton Number (Atomic Number): Amount of protons

More information

Baryons, mesons and leptons are affected by particle interactions. Write an account of these interactions. Your account should:

Baryons, mesons and leptons are affected by particle interactions. Write an account of these interactions. Your account should: Baryons, mesons and leptons are affected by particle interactions. Write an account of these interactions. Your account should: include the names of the interactions identify the groups of particles that

More information

Chapter 32 Lecture Notes

Chapter 32 Lecture Notes Chapter 32 Lecture Notes Physics 2424 - Strauss Formulas: mc 2 hc/2πd 1. INTRODUCTION What are the most fundamental particles and what are the most fundamental forces that make up the universe? For a brick

More information

PhysicsAndMathsTutor.com 1

PhysicsAndMathsTutor.com 1 Q1. (a) The K meson has strangeness 1. State the quark composition of a meson... State the baryon number of the K meson... (iii) What is the quark composition of the K meson?.... The figure below shows

More information

DEVIL PHYSICS THE BADDEST CLASS ON CAMPUS IB PHYSICS

DEVIL PHYSICS THE BADDEST CLASS ON CAMPUS IB PHYSICS DEVIL PHYSICS THE BADDEST CLASS ON CAMPUS IB PHYSICS LSN 7-3: THE STRUCTURE OF MATTER Questions From Reading Activity? Essential Idea: It is believed that all the matter around us is made up of fundamental

More information

At this time the quark model consisted of three particles, the properties of which are given in the table.

At this time the quark model consisted of three particles, the properties of which are given in the table. *1 In 1961 Murray Gell-Mann predicted the existence of a new particle called an omega (Ω) minus. It was subsequently discovered in 1964. At this time the quark model consisted of three particles, the properties

More information

Quantum and Atomic Physics - Multiple Choice

Quantum and Atomic Physics - Multiple Choice PSI AP Physics 2 Name 1. The Cathode Ray Tube experiment is associated with: (A) J. J. Thomson (B) J. S. Townsend (C) M. Plank (D) A. H. Compton 2. The electron charge was measured the first time in: (A)

More information

1 The Cathode Rays experiment is associated. with: Millikan A B. Thomson. Townsend. Plank Compton

1 The Cathode Rays experiment is associated. with: Millikan A B. Thomson. Townsend. Plank Compton 1 The Cathode Rays experiment is associated with: A B C D E Millikan Thomson Townsend Plank Compton 1 2 The electron charge was measured the first time in: A B C D E Cathode ray experiment Photoelectric

More information

Which of the following classes of electromagnetic waves will not ionise neutral atoms?

Which of the following classes of electromagnetic waves will not ionise neutral atoms? 1 In an experiment to demonstrate the photoelectric effect, a charged metal plate is illuminated with light from different sources. The plate loses its charge when an ultraviolet light source is used but

More information

HONORS CHEMISTRY. Chapter 4 Atomic Structure

HONORS CHEMISTRY. Chapter 4 Atomic Structure HONORS CHEMISTRY Chapter 4 Atomic Structure History of the Atomic Theory DEMOCRITUS (400 BC) 1st atomic theory World is made of empty space & tiny particles called atoms. Atomos - Greek for indivisible

More information

CHAPTER 7 TEST REVIEW

CHAPTER 7 TEST REVIEW IB PHYSICS Name: Period: Date: # Marks: 94 Raw Score: IB Curve: DEVIL PHYSICS BADDEST CLASS ON CAMPUS CHAPTER 7 TEST REVIEW 1. An alpha particle is accelerated through a potential difference of 10 kv.

More information

Modern Physics CHAPTER THE DUAL NATURE OF LIGHT. Two Models of Light

Modern Physics CHAPTER THE DUAL NATURE OF LIGHT. Two Models of Light CHAPTER 5 Modern Physics THE DUAL NATURE OF LIGHT Two Models of Light In the mid 1800s, scientists were convinced that the age-old question, What is light? had been answered conclusively. Light, they said,

More information

CHAPTER 12 TEST REVIEW

CHAPTER 12 TEST REVIEW IB PHYSICS Name: Period: Date: # Marks: 76 Raw Score: IB Curve: DEVIL PHYSICS BADDEST CLASS ON CAMPUS CHAPTER 12 TEST REVIEW 1. An alpha particle is accelerated through a potential difference of 10 kv.

More information

Lecture PowerPoint. Chapter 32 Physics: Principles with Applications, 6 th edition Giancoli

Lecture PowerPoint. Chapter 32 Physics: Principles with Applications, 6 th edition Giancoli Lecture PowerPoint Chapter 32 Physics: Principles with Applications, 6 th edition Giancoli 2005 Pearson Prentice Hall This work is protected by United States copyright laws and is provided solely for the

More information

SECTION A Quantum Physics and Atom Models

SECTION A Quantum Physics and Atom Models AP Physics Multiple Choice Practice Modern Physics SECTION A Quantum Physics and Atom Models 1. Light of a single frequency falls on a photoelectric material but no electrons are emitted. Electrons may

More information

PARTICLE PHYSICS :Higher Level Long Questions

PARTICLE PHYSICS :Higher Level Long Questions PARTICLE PHYSICS :Higher Level Long Questions Particle Accelerators (including Cockcroft and Walton experiment) 2013 Question 10 (a) In 1932 J.D. Cockroft and E.T.S. Walton accelerated protons to energies

More information

A few thoughts on 100 years of modern physics. Quanta, Quarks, Qubits

A few thoughts on 100 years of modern physics. Quanta, Quarks, Qubits A few thoughts on 100 years of modern physics Quanta, Quarks, Qubits Quanta Blackbody radiation and the ultraviolet catastrophe classical physics does not agree with the observed world Planck s idea: atoms

More information

TEACHER. The Atom 4. Make a drawing of an atom including: Nucleus, proton, neutron, electron, shell

TEACHER. The Atom 4. Make a drawing of an atom including: Nucleus, proton, neutron, electron, shell Click on the SUBATOMIC roadmap button on the left. Explore the Subatomic Universe Roadmap to answer the following questions. Matter 1. What 3 atoms is a water molecule made of? Two Hydrogen atoms and one

More information

Unit Three. Mesons can only be made from matter/anti-matter combinations. This makes mesons Unstable Short lived

Unit Three. Mesons can only be made from matter/anti-matter combinations. This makes mesons Unstable Short lived Unit Three The Standard Model Particle models of matter have existed from the early recorded history. At the start of the 20 th century the model that was being developed consisted of a central nucleus

More information

Quanta to Quarks. Science Teachers Workshop 2014 Workshop Session. Adrian Manning

Quanta to Quarks. Science Teachers Workshop 2014 Workshop Session. Adrian Manning Quanta to Quarks Science Teachers Workshop 2014 Workshop Session Adrian Manning The Quanta to Quarks module! The Quanta to Quarks module ultimately deals with some of the most fundamental questions about

More information

PhysicsAndMathsTutor.com

PhysicsAndMathsTutor.com OR K π 0 + µ + v ( µ ) M. (a) (i) quark antiquark pair OR qq OR named quark antiquark pair 0 (iii) us (b) (i) Weak any of the following also score mark: weak interaction weak interaction force weak nuclear

More information

C) D) Base your answers to questions 22 through 24 on the information below.

C) D) Base your answers to questions 22 through 24 on the information below. 1. The threshold frequency in a photoelectric experiment is most closely related to the A) brightness of the incident light B) thickness of the photoemissive metal C) area of the photoemissive metal D)

More information

PSI AP Physics How was it determined that cathode rays possessed a negative charge?

PSI AP Physics How was it determined that cathode rays possessed a negative charge? PSI AP Physics 2 Name Chapter Questions 1. How was it determined that cathode rays possessed a negative charge? 2. J. J. Thomson found that cathode rays were really particles, which were subsequently named

More information

The Standard Model. 1 st 2 nd 3 rd Describes 3 of the 4 known fundamental forces. Separates particle into categories

The Standard Model. 1 st 2 nd 3 rd Describes 3 of the 4 known fundamental forces. Separates particle into categories The Standard Model 1 st 2 nd 3 rd Describes 3 of the 4 known fundamental forces. Separates particle into categories Bosons (force carriers) Photon, W, Z, gluon, Higgs Fermions (matter particles) 3 generations

More information

cgrahamphysics.com Particles that mediate force Book pg Exchange particles

cgrahamphysics.com Particles that mediate force Book pg Exchange particles Particles that mediate force Book pg 299-300 Exchange particles Review Baryon number B Total # of baryons must remain constant All baryons have the same number B = 1 (p, n, Λ, Σ, Ξ) All non baryons (leptons

More information

Particle Physics. All science is either physics or stamp collecting and this from a 1908 Nobel laureate in Chemistry

Particle Physics. All science is either physics or stamp collecting and this from a 1908 Nobel laureate in Chemistry Particle Physics JJ Thompson discovered electrons in 1897 Rutherford discovered the atomic nucleus in 1911 and the proton in 1919 (idea of gold foil expt) All science is either physics or stamp collecting

More information

Basic science. Atomic structure. Electrons. The Rutherford-Bohr model of an atom. Electron shells. Types of Electrons. Describing an Atom

Basic science. Atomic structure. Electrons. The Rutherford-Bohr model of an atom. Electron shells. Types of Electrons. Describing an Atom Basic science A knowledge of basic physics is essential to understanding how radiation originates and behaves. This chapter works through what an atom is; what keeps it stable vs. radioactive and unstable;

More information

1. What does this poster contain?

1. What does this poster contain? This poster presents the elementary constituents of matter (the particles) and their interactions, the latter having other particles as intermediaries. These elementary particles are point-like and have

More information

Thursday, April 23, 15. Nuclear Physics

Thursday, April 23, 15. Nuclear Physics Nuclear Physics Some Properties of Nuclei! All nuclei are composed of protons and neutrons! Exception is ordinary hydrogen with just a proton! The atomic number, Z, equals the number of protons in the

More information

Quantum Numbers. Elementary Particles Properties. F. Di Lodovico c 1 EPP, SPA6306. Queen Mary University of London. Quantum Numbers. F.

Quantum Numbers. Elementary Particles Properties. F. Di Lodovico c 1 EPP, SPA6306. Queen Mary University of London. Quantum Numbers. F. Elementary Properties 1 1 School of Physics and Astrophysics Queen Mary University of London EPP, SPA6306 Outline Most stable sub-atomic particles are the proton, neutron (nucleons) and electron. Study

More information

T7-1 [255 marks] The graph shows the relationship between binding energy per nucleon and nucleon number. In which region are nuclei most stable?

T7-1 [255 marks] The graph shows the relationship between binding energy per nucleon and nucleon number. In which region are nuclei most stable? T7-1 [255 marks] 1. In the Geiger Marsden experiment alpha particles were directed at a thin gold foil. Which of the following shows how the majority of the alpha particles behaved after reaching the foil?

More information

Option 212: UNIT 2 Elementary Particles

Option 212: UNIT 2 Elementary Particles Department of Physics and Astronomy Option 212: UNIT 2 Elementary Particles SCHEDULE 26-Jan-15 13.pm LRB Intro lecture 28-Jan-15 12.pm LRB Problem solving (2-Feb-15 1.am E Problem Workshop) 4-Feb-15 12.pm

More information

Chapter 44. Nuclear Structure

Chapter 44. Nuclear Structure Chapter 44 Nuclear Structure Milestones in the Development of Nuclear Physics 1896: the birth of nuclear physics Becquerel discovered radioactivity in uranium compounds Rutherford showed the radiation

More information

Chem 481 Lecture Material 1/30/09

Chem 481 Lecture Material 1/30/09 Chem 481 Lecture Material 1/30/09 Nature of Radioactive Decay The Standard Model in physics postulates that all particles in nature are composed of quarks and leptons and that they interact by exchange

More information

Particles and Waves Homework One (Target mark 13 out of 15)

Particles and Waves Homework One (Target mark 13 out of 15) Particles and Waves Homework One (Target mark 13 out of 15) Display all answers to 2 significant figures. 1. A car covers a distance of 170m in a time of 18s. Calculate the average speed of the car. 2.

More information

Exam 2 Development of Quantum Mechanics

Exam 2 Development of Quantum Mechanics PHYS40 (Spring 00) Riq Parra Exam # (Friday, April 1 th, 00) Exam Development of Quantum Mechanics Do NOT write your name on this exam. Write your class ID number on the top right hand corner of each problem

More information

Elementary (?) Particles

Elementary (?) Particles Elementary (?) Particles Dan Styer; 12 December 2018 This document summarizes the so-called standard model of elementary particle physics. It cannot, in seven pages, even touch upon the copious experimental

More information

Chapter test: Probing the Heart of Matter

Chapter test: Probing the Heart of Matter PRO dditional sheet 5 Chapter test: Probing the Heart of Matter 40 marks total nswer LL the questions. Write your answers in the spaces provided in this question paper. The marks for individual questions

More information

Quantum Physics and Atomic Models Chapter Questions. 1. How was it determined that cathode rays possessed a negative charge?

Quantum Physics and Atomic Models Chapter Questions. 1. How was it determined that cathode rays possessed a negative charge? Quantum Physics and Atomic Models Chapter Questions 1. How was it determined that cathode rays possessed a negative charge? 2. J. J. Thomson found that cathode rays were really particles, which were subsequently

More information

THE STANDARD MODEL OF MATTER

THE STANDARD MODEL OF MATTER VISUAL PHYSICS ONLINE THE STANDARD MODEL OF MATTER The "Standard Model" of subatomic and sub nuclear physics is an intricate, complex and often subtle thing and a complete study of it is beyond the scope

More information

Chapter 37 Early Quantum Theory and Models of the Atom. Copyright 2009 Pearson Education, Inc.

Chapter 37 Early Quantum Theory and Models of the Atom. Copyright 2009 Pearson Education, Inc. Chapter 37 Early Quantum Theory and Models of the Atom Planck s Quantum Hypothesis; Blackbody Radiation Photon Theory of Light and the Photoelectric Effect Energy, Mass, and Momentum of a Photon Compton

More information

WAVES AND PARTICLES. (c)

WAVES AND PARTICLES. (c) WAVES AND PARTICLES 1. An electron and a proton are accelerated through the same potential difference. The ration of their De Broglie wave length will be -- (a) (b) (c) (d) 1 2. What potential must be

More information

Chapter 22. Preview. Objectives Properties of the Nucleus Nuclear Stability Binding Energy Sample Problem. Section 1 The Nucleus

Chapter 22. Preview. Objectives Properties of the Nucleus Nuclear Stability Binding Energy Sample Problem. Section 1 The Nucleus Section 1 The Nucleus Preview Objectives Properties of the Nucleus Nuclear Stability Binding Energy Sample Problem Section 1 The Nucleus Objectives Identify the properties of the nucleus of an atom. Explain

More information

Using the same notation, give the isotope of carbon that has two fewer neutrons.

Using the same notation, give the isotope of carbon that has two fewer neutrons. A radioactive isotope of carbon is represented by C. Using the same notation, give the isotope of carbon that has two fewer neutrons. () Calculate the charge on the ion formed when two electrons are removed

More information

Fundamental Forces. Range Carrier Observed? Strength. Gravity Infinite Graviton No. Weak 10-6 Nuclear W+ W- Z Yes (1983)

Fundamental Forces. Range Carrier Observed? Strength. Gravity Infinite Graviton No. Weak 10-6 Nuclear W+ W- Z Yes (1983) Fundamental Forces Force Relative Strength Range Carrier Observed? Gravity 10-39 Infinite Graviton No Weak 10-6 Nuclear W+ W- Z Yes (1983) Electromagnetic 10-2 Infinite Photon Yes (1923) Strong 1 Nuclear

More information

State the main interaction when an alpha particle is scattered by a gold nucleus

State the main interaction when an alpha particle is scattered by a gold nucleus Q1.(a) Scattering experiments are used to investigate the nuclei of gold atoms. In one experiment, alpha particles, all of the same energy (monoenergetic), are incident on a foil made from a single isotope

More information

U n 3 n Ba Kr (D) Br (C) Kr (B) Rb (E) 94 37

U n 3 n Ba Kr (D) Br (C) Kr (B) Rb (E) 94 37 1984 36. The critical angle for a transparent material in air is 30. The index of refraction of the material is most nearly (A) 0.33 (B) 0.50 (C) 1.0 (D) 1.5 (E) 2.0 37. An object is placed as shown in

More information

16.5 Coulomb s Law Types of Forces in Nature. 6.1 Newton s Law of Gravitation Coulomb s Law

16.5 Coulomb s Law Types of Forces in Nature. 6.1 Newton s Law of Gravitation Coulomb s Law 5-10 Types of Forces in Nature Modern physics now recognizes four fundamental forces: 1. Gravity 2. Electromagnetism 3. Weak nuclear force (responsible for some types of radioactive decay) 4. Strong nuclear

More information

Preview. Subatomic Physics Section 1. Section 1 The Nucleus. Section 2 Nuclear Decay. Section 3 Nuclear Reactions. Section 4 Particle Physics

Preview. Subatomic Physics Section 1. Section 1 The Nucleus. Section 2 Nuclear Decay. Section 3 Nuclear Reactions. Section 4 Particle Physics Subatomic Physics Section 1 Preview Section 1 The Nucleus Section 2 Nuclear Decay Section 3 Nuclear Reactions Section 4 Particle Physics Subatomic Physics Section 1 TEKS The student is expected to: 5A

More information

Bannerman High School Physics Department. Making Accurate Statements. Higher Physics. Quanta and Waves

Bannerman High School Physics Department. Making Accurate Statements. Higher Physics. Quanta and Waves Bannerman High School Physics Department Making Accurate Statements Higher Physics Quanta and Waves Mandatory Key Area: Particle Physics 1. Use your knowledge of physics to estimate the ratio of the smallest

More information

Elementary Particle Physics Glossary. Course organiser: Dr Marcella Bona February 9, 2016

Elementary Particle Physics Glossary. Course organiser: Dr Marcella Bona February 9, 2016 Elementary Particle Physics Glossary Course organiser: Dr Marcella Bona February 9, 2016 1 Contents 1 Terms A-C 5 1.1 Accelerator.............................. 5 1.2 Annihilation..............................

More information

Unit 2 - Particles and Waves Part 1

Unit 2 - Particles and Waves Part 1 THE STANDARD MODEL Unit - Particles and Waves Part. Orders of Magnitude The range of orders of magnitude of length from the very small (subnuclear) to the very large (distance to furthest known celestial

More information

Selected "Phacts" for the Physics Regents Exam You Should Know

Selected Phacts for the Physics Regents Exam You Should Know Selected "Phacts" for the Physics Regents Exam You Should Know I. Mechanics Study Hard! 1. Mass and inertia are the same thing. (Mass actually measures inertia in kilograms Much as monetary resources measures

More information

A. Cu 2+ B. Fe 2+ C. Ca 2+ D. Hg Which atom in the ground state has three halffilled orbitals?

A. Cu 2+ B. Fe 2+ C. Ca 2+ D. Hg Which atom in the ground state has three halffilled orbitals? Unit 3 - Electrons, Light, and Ions 15-16 Name: ate: 1. Which is the electron configuration of a neutral atom in the ground state with a total of six valence electrons?. 1s 2 2s 2 2p 2. 1s 2 2s 2 2p 4.

More information

Today in Astronomy 142

Today in Astronomy 142 Today in Astronomy 142! Elementary particles and their interactions, nuclei, and energy generation in stars.! Nuclear fusion reactions in stars TT Cygni: Carbon Star Credit: H. Olofsson (Stockholm Obs.)

More information

Name: Class: Date: Multiple Choice Identify the letter of the choice that best completes the statement or answers the question.

Name: Class: Date: Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. Name: Class: Date: AP REVIEW 3 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question.. For a mass hanging from a spring, the maximum displacement the

More information

Modern Physics: Standard Model of Particle Physics (Invited Lecture)

Modern Physics: Standard Model of Particle Physics (Invited Lecture) 261352 Modern Physics: Standard Model of Particle Physics (Invited Lecture) Pichet Vanichchapongjaroen The Institute for Fundamental Study, Naresuan University 1 Informations Lecturer Pichet Vanichchapongjaroen

More information

Overview. The quest of Particle Physics research is to understand the fundamental particles of nature and their interactions.

Overview. The quest of Particle Physics research is to understand the fundamental particles of nature and their interactions. Overview The quest of Particle Physics research is to understand the fundamental particles of nature and their interactions. Our understanding is about to take a giant leap.. the Large Hadron Collider

More information

Lecture 02. The Standard Model of Particle Physics. Part I The Particles

Lecture 02. The Standard Model of Particle Physics. Part I The Particles Lecture 02 The Standard Model of Particle Physics Part I The Particles The Standard Model Describes 3 of the 4 known fundamental forces Separates particles into categories Bosons (force carriers) Photon,

More information

Planck s Quantum Hypothesis Blackbody Radiation

Planck s Quantum Hypothesis Blackbody Radiation Planck s Quantum Hypothesis Blackbody Radiation The spectrum of blackbody radiation has been measured(next slide); it is found that the frequency of peak intensity increases linearly with temperature.

More information

Essential Physics II. Lecture 14:

Essential Physics II. Lecture 14: Essential Physics II E II Lecture 14: 18-01-16 Last lecture of EP2! Congratulations! This was a hard course. Be proud! Next week s exam Next Monday! All lecture slides on course website: http://astro3.sci.hokudai.ac.jp/~tasker/teaching/ep2

More information

Physics 424: Dr. Justin Albert (call me Justin!)

Physics 424: Dr. Justin Albert (call me Justin!) Physics 424: Dr. Justin Albert (call me Justin!) A Brief History of Particle Physics Discoveries (Or: Figuring out What the Universe is Made Of ) Looking Inside the Atom: e -, p, and n! 1897: J.J. Thomson

More information

UGC ACADEMY LEADING INSTITUE FOR CSIR-JRF/NET, GATE & JAM PHYSICAL SCIENCE TEST SERIES # 4. Atomic, Solid State & Nuclear + Particle

UGC ACADEMY LEADING INSTITUE FOR CSIR-JRF/NET, GATE & JAM PHYSICAL SCIENCE TEST SERIES # 4. Atomic, Solid State & Nuclear + Particle UGC ACADEMY LEADING INSTITUE FOR CSIR-JRF/NET, GATE & JAM BOOKLET CODE PH PHYSICAL SCIENCE TEST SERIES # 4 Atomic, Solid State & Nuclear + Particle SUBJECT CODE 05 Timing: 3: H M.M: 200 Instructions 1.

More information

= : K A

= : K A Atoms and Nuclei. State two limitations of JJ Thomson s model of atom. 2. Write the SI unit for activity of a radioactive substance. 3. What observations led JJ Thomson to conclusion that all atoms have

More information

Photoelectric Effect [20 marks]

Photoelectric Effect [20 marks] Photoelectric Effect [20 marks] 1. photoelectric cell is connected in series with a battery of emf 2 V. Photons of energy 6 ev are incident on the cathode of the photoelectric cell. The work function of

More information

The Four Fundamental Forces. The Four Fundamental Forces. Gravitational Force. The Electrical Force. The Photon (γ) Unification. Mass.

The Four Fundamental Forces. The Four Fundamental Forces. Gravitational Force. The Electrical Force. The Photon (γ) Unification. Mass. The Four Fundamental Forces What are the four fundamental forces? The Four Fundamental Forces What are the four fundamental forces? Weaker Stronger Gravitational, Electromagnetic, Strong and Weak Nuclear

More information

Physics 30 Modern Physics Unit: Atomic Basics

Physics 30 Modern Physics Unit: Atomic Basics Physics 30 Modern Physics Unit: Atomic Basics Models of the Atom The Greeks believed that if you kept dividing matter into smaller and smaller pieces, you would eventually come to a bit of matter that

More information

Atomic Structure. From Molecules to Quarks

Atomic Structure. From Molecules to Quarks Atomic Structure From Molecules to Quarks ELECTRONS Negatively charged particles that circle the nucleus. Bohr s Atom electrons in orbits nucleus Inside the Atom The Nucleus Contains Protons & Neutrons

More information

Visit for more fantastic resources. AQA. A Level. A Level Physics. Particles (Answers) Name: Total Marks: /30

Visit   for more fantastic resources. AQA. A Level. A Level Physics. Particles (Answers) Name: Total Marks: /30 Visit http://www.mathsmadeeasy.co.uk/ for more fantastic resources. AQA A Level A Level Physics Particles (Answers) Name: Total Marks: /30 Maths Made Easy Complete Tuition Ltd 2017 1. This question explores

More information

Wallace Hall Academy

Wallace Hall Academy Wallace Hall Academy CfE Higher Physics Unit 2 - Particles Notes Name 1 Orders of Magnitude Often, to help us grasp a sense of scale, newspapers compare things to everyday objects: heights are measured

More information

The birth of atomic physics and quantum mechanics. Honors Physics Don Rhine

The birth of atomic physics and quantum mechanics. Honors Physics Don Rhine The birth of atomic physics and quantum mechanics Honors Physics Don Rhine Constants & Atomic Data Look inside back cover of book! Speed of Light (vacuum): c = 3.00 x 10 8 m/s Elementary Charge: e - =

More information

INTRODUCTION TO THE STANDARD MODEL OF PARTICLE PHYSICS

INTRODUCTION TO THE STANDARD MODEL OF PARTICLE PHYSICS INTRODUCTION TO THE STANDARD MODEL OF PARTICLE PHYSICS Class Mechanics My office (for now): Dantziger B Room 121 My Phone: x85200 Office hours: Call ahead, or better yet, email... Even better than office

More information

Atomic and Nuclear Physics Review (& other related physics questions)

Atomic and Nuclear Physics Review (& other related physics questions) Atomic and Nuclear Physics Review (& other related physics questions) 1. The minimum electron speed necessary to ionize xenon atoms is A. 2.66 10 31 m/s B. 5.15 10 15 m/s C. 4.25 10 12 m/s D. 2.06 10 6

More information

THE EDUCARE (SIROHI CLASSES) TEST SERIES 2018

THE EDUCARE (SIROHI CLASSES) TEST SERIES 2018 THE EDUCARE (SIROHI CLASSES) TEST SERIES 2018 XII PHYSICS TEST MODERN PHYSICS NAME-... DATE-.. MM- 25 TIME-1 HR 1) Write one equation representing nuclear fusion reaction. (1) 2) Arrange radioactive radiations

More information

The Particle World. This talk: What is our Universe made of? Where does it come from? Why does it behave the way it does?

The Particle World. This talk: What is our Universe made of? Where does it come from? Why does it behave the way it does? The Particle World What is our Universe made of? Where does it come from? Why does it behave the way it does? Particle physics tries to answer these questions. This talk: particles as we understand them

More information

A

A 1 (a) They are not fundamental particles because they consist Not: They can be sub-divided of quarks (b) Any two from: electron / positron / neutrino / antineutrino Allow: muon / tau (c) (i) 4 Ca 1 e +

More information

Exercise 1 Atomic line spectra 1/9

Exercise 1 Atomic line spectra 1/9 Exercise 1 Atomic line spectra 1/9 The energy-level scheme for the hypothetical one-electron element Juliettium is shown in the figure on the left. The potential energy is taken to be zero for an electron

More information

Physics 30: Chapter 8 Exam Nuclear

Physics 30: Chapter 8 Exam Nuclear Physics 30: Chapter 8 Exam Nuclear Name: Date: Mark: /34 Numeric Response. Place your answers to the numeric response questions, with units, in the blanks at the side of the page. (1 mark each) 1. A 100

More information

Selected Topics from Modern Physics

Selected Topics from Modern Physics Selected Topics from Modern Physics 1. According to the special theory of relativity, if a 30-year old astronaut sent on a space mission is accelerated to speeds close to that of light, and then returns

More information

PHYA1. (JUN14PHYA101) WMP/Jun14/PHYA1/E5. General Certificate of Education Advanced Subsidiary Examination June 2014

PHYA1. (JUN14PHYA101) WMP/Jun14/PHYA1/E5. General Certificate of Education Advanced Subsidiary Examination June 2014 Centre Number Surname Candidate Number For Examiner s Use Other Names Candidate Signature Examiner s Initials Physics A Unit 1 For this paper you must have: l a pencil and a ruler l a calculator l a Data

More information

Unit 2 Exam - Atomic Structure and Nuclear

Unit 2 Exam - Atomic Structure and Nuclear 1. The atomic number of an atom is always equal to the total number of. neutrons in the nucleus. protons in the nucleus 5. The mass number of an atom is equal to the number of. neutrons, only. protons,

More information

NJCTL.org 2015 AP Physics 2 Nuclear Physics

NJCTL.org 2015 AP Physics 2 Nuclear Physics AP Physics 2 Questions 1. What particles make up the nucleus? What is the general term for them? What are those particles composed of? 2. What is the definition of the atomic number? What is its symbol?

More information

Explain how Planck resolved the ultraviolet catastrophe in blackbody radiation. Calculate energy of quanta using Planck s equation.

Explain how Planck resolved the ultraviolet catastrophe in blackbody radiation. Calculate energy of quanta using Planck s equation. Objectives Explain how Planck resolved the ultraviolet catastrophe in blackbody radiation. Calculate energy of quanta using Planck s equation. Solve problems involving maximum kinetic energy, work function,

More information