|
|
- Julianna Adams
- 6 years ago
- Views:
Transcription
1 Electromagnetic Waves Properties. The electric and the magnetic field, associated with an electromagnetic wave, propagating along the z=axis. Can be represented by E = E kˆ, = iˆ E = E ˆj, = ˆj b) E = E ˆ, ˆ j = K d) E = E ˆ, ˆ j = J. The electromagnetic wave having the shortest wavelength is X-rays b) γ -rays Infrared rays d) Microwaves 3. The part of the spectrum of the electromagnetic radiation used to cook food is Ultraviolet rays b) Cosmic rays X-rays d) Microwaves 4. A part of the spectrum of the electromagnetic radiation used to cook food is Ultraviolet rays b) Cosmic rays Elliptical d) Planar 5. For a medium with permittivity ε and permeability µ, the velocity of light is given by µ / g b) µε / µε d) ε / µ 6. An electromagnetic wave going through vacuum is described by E = E sin( kx ωt), = sin( kc ωt). Which of the following equations is true? E k = ω b) E ω = k E = ωk d) None of these 7. A source emits electromagnetic waves of wavelength 3m. One beam reaches the observer directly and other after reflection from a water surface, travelling.5m extra distance and with intensity reduced to (/4) as compared to intensity due to direct beam alone. The resultant intensity will be (/4) fold b) (3/4) fold (5/4) fold d) (9/4) fold 8. The essential distinction between X-rays and γ rays is that γ -rays have smaller wavelength than X-rays b) γ -rays emanate from nucleus while x-rays emanate from outer part of the atom γ -rays have greater ionizing power than X-rays d) γ -rays are more penetrating than x-rays
2 9. The spped of electromagnetic wave in vacuum depends upon the source of radiation Increases as we move from γ -rays to radio waves b) Decreases as we move from γ -rays to radio waves Is same for all of them d) None of the above. In free space electron is placed in the path of a plane electromagnetic wave, it will start moving along Centre of Earth b) Equator of Earth Magnetic Field d) Electric Field. The average magnetic energy density of an electromagnetic wave length λ travelling in free space is given by λ µ λ b) d) µ µ λ. The magnetic field in a plane electromagnetic wave is given by ( ) 7 3 = sin.5 x +.5 t y This electromagnetic wave is A visible light b) An infrared wave A microwave d) A radio wave 3. Which of the following shows green house effect? Ultraviolet rays b) Infrared rays X-rays d) None of these 4. A plane electromagnetic wave propagating in the X-direction has wavelength of 6. mm. The electric field is in the Y-direction and its maximum magnitude of 33Vm. The equation for the electric field as function of x and t is sin π ( t x / b) 33sinπ ( t x / 33sin π ( t x / d) sinπ ( t x / 5. Which of the following statement is false for the properties of electromagnetic waves? oth electric and magnetic field vectors attain the maxima and minima at the same place and same time. b) The energy is electromagnetic wave is divided equally between electric and magnetic vectors. oth electric and magnetic field vectors are parallel to each other and perpendicular to the direction of propagation of wave. d) These waves do not require any material medium for propagation.
3 6. Which one of the following is the property of monochromatic, plane electromagnetic waves in free space? Electric and magnetic fields have a phase difference of π /. b) The energy contribution of both electric and magnetic fields are equal. The direction of propagation is in the direction of x E. d) The pressure exerted by the wave is the product of its speed and energy density. e) The speed of the wave is /e. 7. Which of the following waves has the maxi wavelength? X-rays b) IR rays UV rays d) Radiowaves 4 8. The sun delivers W / m of electromagnetic flux the earth s surface. The total power that is incident roof of dimensions ( ) 4 W b) W 6 W d) W 5 7 m will be 9. Velocity of electromagnetic waves in vacuum is given by µ µ ε b) ε ε µ d) µ ε. Which is the correct expression of velocity of light? c µ ε µ E b) d) All of these. Which force in nature exists every where? 9 Nuclear force b) Electromagnetic force Weak force d) Gravitation. The average electric field of electromagnetic waves in certain region of free space 4 is9 NC. Then the average magnetic field in the same region is of the order of 4 7 T b) 3 T 3 4 T d) 3 T e) 3 T
4 3. If ε and µ are respectively, the electric permittivity and the magnetic permeability of free space, ε and µ the corresponding quantities in a medium, the refractive index of the medium is µε µ ε b) µε µ ε µ ε µε d) µµ εε 4. Which of the following has/have zero average value in a plane electromagnetic wave? oth magnetic and electric fields b) Electric field only Magnetic field only d) Magnetic energy e) Electric energy 5. An electromagnetic wave has Electric vector only b) Magnetic vector only Electric and magnetic vectors perpendicular to each other d) Neither the electric vector nor the magnetic vector 6. In fog, neither photographs vector nor the magnetic vector radiations are more clear than those obtained during visible light because Scattering of I-R light is more than visible light b) Scattering of I-R light is more than visible light The intensity of I-R light from the object is less d) Scattering of I-R light is less than visible light 7. The velocity of an electromagnetic wave in vacuum can be changed by changing 8 Frequency b) Amplitude Wavelength 4) None of these 8. The velocity of electromagnetic radiation in a medium of permittivityε and permeability µ is given by ε µ b) µ ε µ ε µ d) ε
5 9. Assertion (A): Displacement current goes through the gap between the plates of a capacitor when the charge of the capacitor does not change. Reason (R): The displacement current arises in the region in which the electric field and hence the electric flux does not change with time. oth A and R are true and R is the correct explanation of A. b) oth A and R are true and R is not correct explanation of A. A is true but R is false. d) A is false but R is true. 3. In an electromagnetic wave, the electric and magnetising fields are.55 Am. The maximum energy flow is 6.5Wm b) 46.7Wm d) 36.5Wm 765 Wm Vm 3. In an oscillating L-C circuit the maximum charge on the capacitor is Q. The charge on 7 the capacitor when the energy is stored equally between the electric and magnetic fields is Q/ b) Q / 3 Q / d) Q 3. The electric and magnetic fields of an electromagnetic wave are In phase and parallel to each other b) In opposite phase and perpendicular to each other In opposite phase and parallel to each other d) In phase and perpendicular to each other 33. Electromagnetic waves are produced by Accelerated charged particle b) Decelerated charged particle Charge in uniform motion d) None of the above 34. A beam of light travelling along x-axis is described by the electric field E ( 6Vm ) sin ω ( t x / y moving along y-axis with a speed of 7 9. N b).9 N. Then maximum magnetic force on a charge q=e, ms.9 N d) None of the above 9 is ( e =.6 C) and
6 35. The sound waves after being converted into electrical waves are not transmitted as such because They are heavily absorbed by the atmosphere b) They travelled with the speed of sound The height of antenna has to be increased several times d) The frequency is not constant 36. All components of the electromagnetic spectrum in vacuum have the same 6 Energy b) Velocity C) Wavelength D) Frequency 37. The electric field E and magnetic field in electromagnetic wave are Parallel to each other b) Inclined at an angle of Perpendicular to each other 4) Opposite to each other 38. The magnetic field amplitude of an electromagnetic wave is amplitude if the wave is travelling in free space is 6Vm b) 6Vm / 6Vm d) None of these 45 7 T. It electric field 39. A perfectly reflecting mirror has an area ofcm. Light energy is allowed to fall on it for h at the rate ofw cm. The force that acts on the mirror is b) 6.7 N N d).4 N 4. A parallel plate capacitor is charged to 6µ C. Due to a radioactive source, the plate 8 loses charge at the rate of.8 Cs. The magnitude of displacement current is Cs b) 3.6 Cs 4. Cs d) 5.7 Cs
7 Electromagnetic Waves Properties Key ) d ) b 3) a 4) a 5) b 6) a 7) d 8) b 9) c ) d ) b ) c 3) b 4) b 5) c 6) b 7) d 8) c 9) d ) d ) b ) b 3) a 4) a 5) c 6) d 7) d 8) c 9) d 3) a 3) c 3) d 33) a 34) b 35) a 36) b 37) c 38) b 39) b 4) a E 6. c = π k = and ω = π v λ E k = ω 3 7. Resultant amplitude = I + I / 4 = I. Resultant intensity U = εe + µ µ Solutions = I = I = fold y = sin (.5 x = 5 t) Comparing with, = ( kx + ωt) 3 k =.5 π.5 λ = 3 y.56 sin The wavelength range of microwaves is to.3. The wavelength of this wave lies 3
8 4. 3 between to.3, Hence the equation represents a microwaves. π c π 3 ω = π v = = 3 λ 6 x Ey = E sinω t = 33sinπ t x / c c 8 ( ) 4 6 = = W 8. Total power = solar constant x area ( ) 3. S = E H =, =.65 E Vm H Am 3. U E max U S =.6 = 6.5Wm R max Q = C Li = Where I is the current at this time, for the given instant U E = U q Li C = From energy conservation U + U = U = U E 34. = c E E max max q Q Q = q = C C 8 E = 6 Vm, c = 3 ms 6 = = 3 8 F = qv = ev m 6 T = E = E in( kx ωt) and = ( kx ωt) c E = or E = c 7 8 = T, c = 3 ms sin 7 8 E = 3 = 6Tm = 6Vm 7 =.9 N
9 h h hv E p = = = = λ c v c c ( / ) On reflection, change in momentum per second = force E = p = c I d dq = =.8 dt = = Cs 8 N Electromagnetic Spectrum. Refractive index of the material of a prism is.5. If δ m = A what will be a value of angle of the given prism? (where δ m =minimum deviation and A=angle of prism) 8.8 b) d) 9. The rate of loss of heat of a body is directly proportion to the difference of temperature of the body and surroundings. This statement is known as Stefan s law b) Newton s law of cooling Wien s law d) Kirchhoff s law 3. The maximum kinetic energy of photoelectrons Various linearly with the frequency of the incident radiation b) Various linearly with the wavelength of incident light Proportional to the frequency of the incident radiation d) Proportional to the square of the frequency of incident radiation 8 4. Which of the following undergoes largest diffraction? Infrared light b) Radio waves γ -rays d) Ultraviolet light
10 7 5. An electromagnetic radiation has energy of 3. kev. Then the radiation belongs to the region of Visible Light b) Ultraviolet Infrared d) X-ray e) Microwave 6 6. The correct option, if speed of gamma rays, X-rays and microwaves are v, v and v respectively will be v > v > v b) vg < vx < vm g x m v > v < v d) vg = vx = vm g x m g x m 7. We find that the temperature of air decreases as one goes up from the earth s surface because The atmospheric pressure drops with height b) The earth which radiates in the infrared region is the main heat source and temperature drops a we go away from it. The density of air drops with height and the air therefore cannot hold stronger as we go up d) Winds are stronger as we go up 8. The wavelength of a radio wave of frequency of MHz is 4 m b) 3m 35 m d) m 5 9. In the electromagnetic spectrum, the visible spectrum lies between Radio Wave and Microwaves b) Infrared and Ultraviolet Rays Microwaves and Infrared Spectrum d) X-ray and Gamma Ray Spectrum 4. Which radiations are used in treatment of muscles ache? Infrared b) Ultraviolet Microwave d) X-rays. The waves which cannot travel in vacuum are X-Rays b) Radio Waves Infrasonic Waves d) Ultraviolet Rays
11 . A fire screen produces sensation of cooling as It allows both infrared and visible light but cuts off ultraviolet b) It allows infrared and cuts off shorter wavelengths It cuts off both visible light and infrared d) It allows only visible light and cuts off infrared Electromagnetic Spectrum Key )a )b 3)a 4)b 5)d 6)d 7)b 8)b 9)b )a )c )d. µ =.5 and δ m = A 5. hc E = λ A + δm sin µ = A sin A + A sin sin A.5 = = A A sin sin A= 8.8 Solutions Or λ = hc E = =.9375 m (Wavelength range of X-rays is from 8 mto m to A) 8. 8 c 3 λ = = = 3 = 3m 6 v
MCQs E M WAVES. Physics Without Fear.
MCQs E M WAVES Physics Without Fear Electromagnetic Waves At A Glance Ampere s law B. dl = μ 0 I relates magnetic fields due to current sources. Maxwell argued that this law is incomplete as it does not
More informationELECTROMAGNETIC WAVES
UNIT V ELECTROMAGNETIC WAVES Weightage Marks : 03 Displacement current, electromagnetic waves and their characteristics (qualitative ideas only). Transverse nature of electromagnetic waves. Electromagnetic
More informationChapter 29: Maxwell s Equation and EM Waves. Slide 29-1
Chapter 29: Maxwell s Equation and EM Waves Slide 29-1 Equations of electromagnetism: a review We ve now seen the four fundamental equations of electromagnetism, here listed together for the first time.
More informationChapter 31 Maxwell s Equations and Electromagnetic Waves. Copyright 2009 Pearson Education, Inc.
Chapter 31 Maxwell s Equations and Electromagnetic Waves Units of Chapter 31 Changing Electric Fields Produce Magnetic Fields; Ampère s Law and Displacement Current Gauss s Law for Magnetism Maxwell s
More informationE.M.WAVES 1. Taller the antenna longer is the coverage of television broadcast. Justify this statement with the help of a figure. 2.If v g, v x v m represents the speed of gamma rays, X-rays microwaves
More informationEM Waves. From previous Lecture. This Lecture More on EM waves EM spectrum Polarization. Displacement currents Maxwell s equations EM Waves
EM Waves This Lecture More on EM waves EM spectrum Polarization From previous Lecture Displacement currents Maxwell s equations EM Waves 1 Reminders on waves Traveling waves on a string along x obey the
More informationAlong with C1 the magnetic field is also observed at location C 2 though no current is threading through this loop.
Displacement current British physicist James C. Maxwell gave final shape to all phenomenon connecting electricity and magnetism. He noticed an inconsistency in Ampere s Law connecting Electric current
More informationELECTROMAGNETIC WAVES
ELECTROMAGNETIC WAVES VERY SHORT ANSWER QUESTIONS Q-1. Light of uniform intensity shines perpendicularly on a totally absorbing surface, fully illuminating the surface. If the area of the surface is decreased,
More informationClass XII Chapter 8 Electromagnetic Waves Physics
Question 8.1: Figure 8.6 shows a capacitor made of two circular plates each of radius 12 cm, and separated by 5.0 cm. The capacitor is being charged by an external source (not shown in the figure). The
More informationChapter 33: ELECTROMAGNETIC WAVES 559
Chapter 33: ELECTROMAGNETIC WAVES 1 Select the correct statement: A ultraviolet light has a longer wavelength than infrared B blue light has a higher frequency than x rays C radio waves have higher frequency
More informationChapter 31 Maxwell s Equations and Electromagnetic Waves. Copyright 2009 Pearson Education, Inc.
Chapter 31 Maxwell s Equations and Electromagnetic Waves Units of Chapter 31 Changing Electric Fields Produce Magnetic Fields; Ampère s Law and Displacement Current Gauss s Law for Magnetism Maxwell s
More informationPhysics Higher level Paper 1
Physics Higher level Paper 1 Tuesday 31 October 17 (afternoon) 1 hour Instructions to candidates Do not open this examination paper until instructed to do so. Answer all the questions. For each question,
More informationPhysics 9e/Cutnell. correlated to the. College Board AP Physics 2 Course Objectives
correlated to the College Board AP Physics 2 Course Objectives Big Idea 1: Objects and systems have properties such as mass and charge. Systems may have internal structure. Enduring Understanding 1.A:
More informationClass XII Chapter 8 Electromagnetic Waves Physics
Question 8.1: Figure 8.6 shows a capacitor made of two circular plates each of radius 12 cm, and separated by 5.0 cm. The capacitor is being charged by an external source (not shown in the figure). The
More informationPhysics 201. Professor P. Q. Hung. 311B, Physics Building. Physics 201 p. 1/3
Physics 201 p. 1/3 Physics 201 Professor P. Q. Hung 311B, Physics Building Physics 201 p. 2/3 What are electromagnetic waves? Electromagnetic waves consist of electric fields and magnetic fields which
More informationChapter 34. Electromagnetic Waves
Chapter 34 Electromagnetic Waves The Goal of the Entire Course Maxwell s Equations: Maxwell s Equations James Clerk Maxwell 1831 1879 Scottish theoretical physicist Developed the electromagnetic theory
More informationf= = s = Hz m Thus (B) is the correct answer.
MCAT Physics Problem Solving Drill 17: Electromagnetic Radiation Question No. 1 of 10 Question 1. Violet light has a wavelength of 700 nm. What is the frequency of this radiation? Question #01 (A) 2.3
More informationChapter 34. Electromagnetic Waves
Chapter 34 Electromagnetic Waves Waves If we wish to talk about electromagnetism or light we must first understand wave motion. If you drop a rock into the water small ripples are seen on the surface of
More informationin Electromagnetics Numerical Method Introduction to Electromagnetics I Lecturer: Charusluk Viphavakit, PhD
2141418 Numerical Method in Electromagnetics Introduction to Electromagnetics I Lecturer: Charusluk Viphavakit, PhD ISE, Chulalongkorn University, 2 nd /2018 Email: charusluk.v@chula.ac.th Website: Light
More informationPhysics (Theory) There are 30 questions in total. Question Nos. 1 to 8 are very short answer type questions and carry one mark each.
Physics (Theory) Time allowed: 3 hours] [Maximum marks:70 General Instructions: (i) All questions are compulsory. (ii) (iii) (iii) (iv) (v) There are 30 questions in total. Question Nos. to 8 are very
More informationChapter 33. Electromagnetic Waves
Chapter 33 Electromagnetic Waves Today s information age is based almost entirely on the physics of electromagnetic waves. The connection between electric and magnetic fields to produce light is own of
More informationProperties of Electromagnetic Radiation Chapter 5. What is light? What is a wave? Radiation carries information
Concepts: Properties of Electromagnetic Radiation Chapter 5 Electromagnetic waves Types of spectra Temperature Blackbody radiation Dual nature of radiation Atomic structure Interaction of light and matter
More informationEP118 Optics. Content TOPIC 1 LIGHT. Department of Engineering Physics University of Gaziantep
EP11 Optics TOPIC 1 LIGHT Department of Engineering Physics University of Gaziantep July 2011 Sayfa 1 Content 1. History of Light 2. Wave Nature of Light 3. Quantum Theory of Light 4. Elecromagnetic Wave
More informationChapter Modern Physics
121 Chapter Modern Physics 1. Diameter of a plano-convex lens is 6 cm and thickness at the centre is 3 mm. If speed of light in material of lens is 2 10 8 m/s, the focal length of the lens is [2013] 15
More informationPhysics 208 Exam 3 Nov. 28, 2006
Name: Student ID: Section #: Physics 208 Exam 3 Nov. 28, 2006 Print your name and section clearly above. If you do not know your section number, write your TA s name. Your final answer must be placed in
More informationElectromagnetic Waves. Chapter 33 (Halliday/Resnick/Walker, Fundamentals of Physics 8 th edition)
PH 222-3A Spring 2007 Electromagnetic Waves Lecture 22 Chapter 33 (Halliday/Resnick/Walker, Fundamentals of Physics 8 th edition) 1 Chapter 33 Electromagnetic Waves Today s information age is based almost
More informationYOUR NAME Sample Final Physics 1404 (Dr. Huang)), Correct answers are underlined.
YOUR NAME Sample Final Physics 1404 (Dr. Huang)), Correct answers are underlined. Useful constants: e=1.6 10-19 C, m e =9.1 10-31 kg, m p =1.67 10-27 kg, ε 0 =8.85 10-12 C 2 /N m 2, c=3 10 8 m/s k e =8.99
More informationSound Waves. Sound waves are caused by vibrations and carry energy through a medium
Chapter 16 Sound Waves Sound waves are caused by vibrations and carry energy through a medium An example of a compressional wave Waves can spread out in all directions Their speed depends on its medium
More informationUNIVERSITY OF TECHNOLOGY Laser & Opto-Electronic Eng. Dept rd YEAR. The Electromagnetic Waves
Spectroscopy Interaction of electromagnetic radiation with matter yields that energy is absorbed or emitted by matter in discrete quantities (quanta). Measurement of the frequency or (wave length) of the
More informationElectromagnetic Waves
Nicholas J. Giordano www.cengage.com/physics/giordano Chapter 23 Electromagnetic Waves Marilyn Akins, PhD Broome Community College Electromagnetic Theory Theoretical understanding of electricity and magnetism
More informationWhich 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 informationSelected "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 information1. The most important aspects of the quantum theory.
Lecture 5. Radiation and energy. Objectives: 1. The most important aspects of the quantum theory: atom, subatomic particles, atomic number, mass number, atomic mass, isotopes, simplified atomic diagrams,
More informationPhysics Lecture 6
Physics 3313 - Lecture 6 Monday February 8, 2010 Dr. Andrew Brandt 1. HW1 Due today HW2 weds 2/10 2. Electron+X-rays 3. Black body radiation 4. Compton Effect 5. Pair Production 2/8/10 3313 Andrew Brandt
More informationElectromagnetic Radiation. Physical Principles of Remote Sensing
Electromagnetic Radiation Physical Principles of Remote Sensing Outline for 4/3/2003 Properties of electromagnetic radiation The electromagnetic spectrum Spectral emissivity Radiant temperature vs. kinematic
More informationChapter 11 FUNDAMENTALS OF THERMAL RADIATION
Chapter Chapter Fundamentals of Thermal Radiation FUNDAMENTALS OF THERMAL RADIATION Electromagnetic and Thermal Radiation -C Electromagnetic waves are caused by accelerated charges or changing electric
More informationLecture # 04 January 27, 2010, Wednesday Energy & Radiation
Lecture # 04 January 27, 2010, Wednesday Energy & Radiation Kinds of energy Energy transfer mechanisms Radiation: electromagnetic spectrum, properties & principles Solar constant Atmospheric influence
More informationThe Nature of Light I: Electromagnetic Waves Spectra Kirchoff s Laws Temperature Blackbody radiation
The Nature of Light I: Electromagnetic Waves Spectra Kirchoff s Laws Temperature Blackbody radiation Electromagnetic Radiation (How we get most of our information about the cosmos) Examples of electromagnetic
More informationMIDSUMMER EXAMINATIONS 2001
No. of Pages: 7 No. of Questions: 10 MIDSUMMER EXAMINATIONS 2001 Subject PHYSICS, PHYSICS WITH ASTROPHYSICS, PHYSICS WITH SPACE SCIENCE & TECHNOLOGY, PHYSICS WITH MEDICAL PHYSICS Title of Paper MODULE
More informationPHYS 1444 Section 003 Lecture #23
PHYS 1444 Section 3 Lecture #3 Monday, Nov. 8, 5 EM Waves from Maxwell s Equations Speed of EM Waves Light as EM Wave Electromagnetic Spectrum Energy in EM Waves Energy Transport The epilogue Today s homework
More informationMaxwell s equations and EM waves. From previous Lecture Time dependent fields and Faraday s Law
Maxwell s equations and EM waves This Lecture More on Motional EMF and Faraday s law Displacement currents Maxwell s equations EM Waves From previous Lecture Time dependent fields and Faraday s Law 1 Radar
More informationSatellite Remote Sensing SIO 135/SIO 236. Electromagnetic Radiation and Polarization
Satellite Remote Sensing SIO 135/SIO 236 Electromagnetic Radiation and Polarization 1 Electromagnetic Radiation The first requirement for remote sensing is to have an energy source to illuminate the target.
More informationprogressive electromagnetic wave
LECTURE 11 Ch17 A progressive electromagnetic wave is a self-supporting, energy-carrying disturbance that travels free of its source. The light from the Sun travels through space (no medium) for only 8.3
More informationPhysics Principles with Applications 7 th Edition, AP Edition, 2014 Giancoli
A Correlation of Physics Principles with Applications 7 th Edition, AP Edition, 2014 Giancoli To the AP Physics 1 and AP Physics 2 Curriculum Framework AP is a trademark registered and/or owned by the
More informationqq k d Chapter 16 Electric and Magnetic Forces Electric charge Electric charges Negative (electron) Positive (proton)
Chapter 16 Electric and Magnetic Forces Electric charge Electric charges Negative (electron) Positive (proton) Electrons and protons in atoms/molecules Ions: atoms/molecules with excess of charge Ions
More informationName: COMBINED SCIENCE Topics 4, 5 & 6 LEARNING OUTCOMES. Maintain a record of your progress Use the booklet to guide revision
Name: COMBINED SCIENCE Topics 4, 5 & 6 LEARNING OUTCOMES Maintain a record of your progress Use the booklet to guide revision Close the Gap Contemporary record of the Topics / Learning outcomes that I
More informationChapter 1: Introduction
Chapter 1: Introduction Photogrammetry: Definition & applications What are we trying to do? Data acquisition systems 3-D viewing of 2-D imagery Automation (matching problem) Necessary tools: Image formation
More informationPhysics for Scientists & Engineers 2
Review Physics for Scientists & Engineers 2 Spring Semester 2005 Lecture 34! The speed of an electromagnetic wave can be expressed in terms of two fundamental constants related to electric fields and magnetic
More informationLecture 1 Bioradiation
1 1 Radiation definition: Radiation, when broadly defined, includes the entire spectrum of electromagnetic waves : radiowaves, microwaves, infrared, visible light, ultraviolet, and x-rays and particles.
More informationChapter 22. Induction
Chapter 22 Induction Induced emf A current can be produced by a changing magnetic field First shown in an experiment by Michael Faraday A primary coil is connected to a battery A secondary coil is connected
More informationFinal Exam, Part A. December 12, Score:
Physics 152 December 12, 2005 Final Exam, Part A Roster No.: Score: Exam time limit: 2 hours. You may use a calculator and both sides of TWO sheets of notes, handwritten only. Closed book; no collaboration.
More informationELECTROMAGNETIC WAVES ELECTROMAGNETIC SPECTRUM
VISUAL PHYSICS ONLINE MODULE 7 NATURE OF LIGHT ELECTROMAGNETIC WAVES ELECTROMAGNETIC SPECTRUM When white light passes through a prism, it spreads out into a rainbow of colours, with red at one end and
More informationSkoog Chapter 6 Introduction to Spectrometric Methods
Skoog Chapter 6 Introduction to Spectrometric Methods General Properties of Electromagnetic Radiation (EM) Wave Properties of EM Quantum Mechanical Properties of EM Quantitative Aspects of Spectrochemical
More information100 Physics Facts. 1. The standard international unit (SI unit) for mass (m) is. kg (kilograms) s (seconds)
100 Physics Facts 1. The standard international unit (SI unit) for mass (m) is. kg (kilograms) 2. The standard international unit (SI unit) for time (t) is. s (seconds) 3. The standard international unit
More informationCircular Motion & Oscillations
A Physics Revision Page 1 of 8 Circular Motion & Oscillations Angular speed, ω = Δθ = πf (assuming angle is a complete revolution, in radians) Δt mv Centripetal Force, F = r Simple Harmonic Motion is a
More informationTwo point charges, A and B, lie along a line separated by a distance L. The point x is the midpoint of their separation.
Use the following to answer question 1. Two point charges, A and B, lie along a line separated by a distance L. The point x is the midpoint of their separation. 1. Which combination of charges would yield
More informationAnnouncements Self-inductance. Self-inductance. RL Circuit. RL Circuit, cont 3/11/2011. Chapter (not.9-.10) τ = R. Electromagnetic Waves
Chapter 21.8-13(not.9-.10) Electromagnetic Announcements Clicker quizzes NO LONGER GRADED! WebAssign HW Set 8 due this Friday Problems cover material from Chapters 21-22 Office hours: My office hours today
More informationProblem set 3. Electromagnetic waves
Second Year Electromagnetism Michaelmas Term 2017 Caroline Terquem Problem set 3 Electromagnetic waves Problem 1: Poynting vector and resistance heating This problem is not about waves but is useful to
More informationSPECTRUM. Dispersion. This phenomenon can be observed in a lab environment using a
SPECTRUM Dispersion The phenomenon due to which a polychromatic light, like sunlight, splits into its component colours, when passed through a transparent medium like a glass prism, is called dispersion
More informationScience 30 Unit C Review Outline GCCHS. Negatively charged Positively charged Coulomb Conductor Electric potential difference
Science 30 Unit C Review Outline GCCHS Negatively charged Positively charged Coulomb Conductor Electric potential difference volt voltage Insulator Test body Gravitational field Field lines Solar wind
More informationIntroduction to Electromagnetic Radiation and Radiative Transfer
Introduction to Electromagnetic Radiation and Radiative Transfer Temperature Dice Results Visible light, infrared (IR), ultraviolet (UV), X-rays, γ-rays, microwaves, and radio are all forms of electromagnetic
More informationKey Idea 3: Matter is made up of particles whose properties determine the observable characteristics of matter and its reactivity.
Middle School Curriculum Standards: Chemistry and Physics Key Idea 3: Matter is made up of particles whose properties determine the observable characteristics of matter and its reactivity. Objects in the
More informationDr. Linlin Ge The University of New South Wales
GMAT 9600 Principles of Remote Sensing Week2 Electromagnetic Radiation: Definition & Physics Dr. Linlin Ge www.gmat.unsw.edu.au/linlinge Basic radiation quantities Outline Wave and quantum properties Polarization
More informationLIGHT. Question. Until very recently, the study of ALL astronomical objects, outside of the Solar System, has been with telescopes observing light.
LIGHT Question Until very recently, the study of ALL astronomical objects, outside of the Solar System, has been with telescopes observing light. What kind of information can we get from light? 1 Light
More informationFrequency: the number of complete waves that pass a point in a given time. It has the symbol f. 1) SI Units: Hertz (Hz) Wavelength: The length from
Frequency: the number of complete waves that pass a point in a given time. It has the symbol f. 1) SI Units: Hertz (Hz) Wavelength: The length from the one crest of a wave to the next. I. Electromagnetic
More informationLight and Matter(LC)
Light and Matter(LC) Every astronomy book that I ve seen has at least one chapter dedicated to the physics of light. Why are astronomers so interested in light? Everything* that we know about Astronomical
More informationElectromagnetic Waves
4/15/12 Chapter 26: Properties of Light Field Induction Ok, so a changing magnetic field causes a current (Faraday s law) Why do we have currents in the first place? electric fields of the charges Changing
More informationClass 15 : Electromagnetic Waves
Class 15 : Electromagnetic Waves Wave equations Why do electromagnetic waves arise? What are their properties? How do they transport energy from place to place? Recap (1) In a region of space containing
More informationBLUE-PRINT II XII Physics
BLUE-PRINT II XII Physics S.No. UNIT VSA SA I SA II LA Total (1 Mark) (2 Marks) (3Marks) (5 Marks) 1. Electrostatics 1(1) 4(2) 3(1) - 8(4) 2. Current Electricity - 2(1) - 5(1) 7(2) 3. Magnetic Effect of
More informationWave - Particle Duality of Light
Properties of Light Objectives Explain wave-particle duality State the speed of light Describe electromagnetic waves and the electromagnetic spectrum Explain how light interacts with transparent and opaque
More informationLecture 34: MON 13 APR Ch ,5
Physics 2102 Jonathan Dowling James Clerk Maxwell (1831-1879) Lecture 34: MON 13 APR Ch.33.1 3,5 3,5 7: E&M Waves MT03 Avg: 65/100 Q1/P3 K. Schafer Office hours: MW 1:30-2:30 pm 222B Nicholson P1/Q2 J.
More information1, 2, 3, 4, 6, 14, 17 PS1.B
Correlations to Next Generation Science Standards Physical Science Disciplinary Core Ideas PS-1 Matter and Its Interactions PS1.A Structure and Properties of Matter Each atom has a charged substructure
More informationMatter mass space atoms solid, a liquid, a gas, or plasm elements compounds mixtures atoms Compounds chemically combined Mixtures not chemically
SOL PS.2 THE NATURE OF MATTER Matter is anything that has mass and occupies space. All matter is made up of small particles called atoms. Matter can exist as a solid, a liquid, a gas, or plasma. Matter
More informationRe-radiation: Scattering. Electric fields are not blocked by matter: how can E decrease?
Re-radiation: Scattering lectric fields are not blocked by matter: how can decrease? Cardboard Why there is no light going through a cardboard? lectric fields are not blocked by matter lectrons and nucleus
More informationLight demonstrates the characteristics of A. particles, only B. waves, only C. both particles and waves D. neither particles nor waves
Which pair of terms best describes light waves traveling from the Sun to Earth? A. electromagnetic and transverse B. electromagnetic and longitudinal C. mechanical and transverse D. mechanical and longitudinal
More informationLECTURE 11 ELECTROMAGNETIC WAVES & POLARIZATION. Instructor: Kazumi Tolich
LECTURE 11 ELECTROMAGNETIC WAVES & POLARIZATION Instructor: Kazumi Tolich Lecture 11 2 25.5 Electromagnetic waves Induced fields Properties of electromagnetic waves Polarization Energy of electromagnetic
More informationLight as a Transverse Wave.
Waves and Superposition (Keating Chapter 21) The ray model for light (i.e. light travels in straight lines) can be used to explain a lot of phenomena (like basic object and image formation and even aberrations)
More information第 1 頁, 共 8 頁 Chap32&Chap33 1. Test Bank, Question 2 Gauss' law for magnetism tells us: the net charge in any given volume that the line integral of a magnetic around any closed loop must vanish the magnetic
More informationElectromagnetic spectra
Properties of Light Waves, particles and EM spectrum Interaction with matter Absorption Reflection, refraction and scattering Polarization and diffraction Reading foci: pp 175-185, 191-199 not responsible
More informationThe Light of Your Life. We can see the universe because atoms emit photons
The Light of Your Life We can see the universe because atoms emit photons Astronomy is an observational science Our messengers are Light (electromagnetic waves) Gravitational waves Cosmic rays (particles)
More informationMARKING SCHEME SET 55/B (Compartment) Q. No. Expected Answer / Value Points Marks Total Marks. Section A Q1 1 Q3 1
MARKING SCHEME SET 55/B (Compartment) Q. No. Expected Answer / Value Points Marks Total Marks Section A Q Q2 0 2 to0 4 Hz Physical therapy, Remote Switches (Any one use) Q Q4 For stable orbits,angular
More informationAn ion follows a circular path in a uniform magnetic field. Which single change decreases the radius of the path?
T5-1 [237 marks] 1. A circuit is formed by connecting a resistor between the terminals of a battery of electromotive force (emf) 6 V. The battery has internal resistance. Which statement is correct when
More informationElectromagnetic Waves
Chapter 32 Electromagnetic Waves PowerPoint Lectures for University Physics, Thirteenth Edition Hugh D. Young and Roger A. Freedman Lectures by Wayne Anderson Goals for Chapter 32 To learn why a light
More informationFoundation Year Programme. Entrance Tests PHYSICS SPECIFICATION. For NUFYP SET 2018
Foundation Year Programme Entrance Tests PHYSICS SPECIFICATION For NUFYP SET 2018 V1.0 October 2017 2 Standard AT Sample Material Physics 1. Electricity 1.1 Electrostatics: a. charging of insulators by
More informationName Class Date. What two models do scientists use to describe light? What is the electromagnetic spectrum? How can electromagnetic waves be used?
CHAPTER 16 12 SECTION Sound and Light The Nature of Light KEY IDEAS As you read this section, keep these questions in mind: What two models do scientists use to describe light? What is the electromagnetic
More informationLecture 38: FRI 24 APR Ch.33 Electromagnetic Waves
Physics 2113 Jonathan Dowling Heinrich Hertz (1857 1894) Lecture 38: FRI 24 APR Ch.33 Electromagnetic Waves Maxwell Equations in Empty Space: E da = 0 S B da = 0 S C C B ds = µ ε 0 0 E ds = d dt d dt S
More informationGeneral Physics II Summer Session 2013 Review Ch - 16, 17, 18
95.104 General Physics II Summer Session 2013 Review Ch - 16, 17, 18 A metal ball hangs from the ceiling by an insulating thread. The ball is attracted to a positivecharged rod held near the ball. The
More informationGen. Phys. II Exam 4 - Chs. 27,28,29 - Wave Optics, Relativity, Quantum Physics Apr. 16, 2018
Gen. Phys. II Exam 4 - Chs. 27,28,29 - Wave Optics, Relativity, Quantum Physics Apr. 16, 2018 Rec. Time Name For full credit, make your work clear. Show formulas used, essential steps, and results with
More informationElectromagnetic Induction Faraday s Law Lenz s Law Self-Inductance RL Circuits Energy in a Magnetic Field Mutual Inductance
Lesson 7 Electromagnetic Induction Faraday s Law Lenz s Law Self-Inductance RL Circuits Energy in a Magnetic Field Mutual Inductance Oscillations in an LC Circuit The RLC Circuit Alternating Current Electromagnetic
More informationQ1. A wave travelling along a string is described by
Coordinator: Saleem Rao Wednesday, May 24, 2017 Page: 1 Q1. A wave travelling along a string is described by y( x, t) = 0.00327 sin(72.1x 2.72t) In which all numerical constants are in SI units. Find the
More informationThe Electromagnetic Spectrum
The Electromagnetic Spectrum 1 of 19 Boardworks Ltd 2016 The Electromagnetic Spectrum 2 of 19 Boardworks Ltd 2016 Detecting waves beyond the visible spectrum 3 of 19 Boardworks Ltd 2016 Invisible light
More informationCambridge International Examinations Cambridge International Advanced Level *6106210292* PHYSICS 9702/42 Paper 4 A2 Structured Questions May/June 2014 2 hours Candidates answer on the Question Paper. No
More informationChemistry Instrumental Analysis Lecture 2. Chem 4631
Chemistry 4631 Instrumental Analysis Lecture 2 Electromagnetic Radiation Can be described by means of a classical sinusoidal wave model. Oscillating electric and magnetic field. (Wave model) wavelength,
More informationSTD : 12 TH GSEB PART A. 1. An electric dipole is placed in a uniform field. The resultant force acting on it...
STD : 1 TH PHYSICS RJ VISION PVT. LTD. (MOST STABLE & INNOVATIVE INSTITUTE) GSEB COURSE NAME: 1 TH Total Marks : 100 Time : 3 hrs PART A Multiple Choice uestions : 1. An electric dipole is placed in a
More informationThe Electromagnetic Spectrum
The Electromagnetic Spectrum A Brief History of Light 1000 AD It was proposed that light consisted of tiny particles Newton Used this particle model to explain reflection and refraction Huygens 1678 Explained
More informationA Correlation of Conceptual Physics 2015 to the Utah Science Core Curriculum for Physics (Grades 9-12)
A Correlation of for Science Benchmark The motion of an object can be described by measurements of its position at different times. Velocity is a measure of the rate of change of position of an object.
More informationGeneral Physics (PHY 2140)
General Physics (PHY 2140) Lecture 12 Electricity and Magnetism 1. AC circuits and EM waves The Electromagnetic Spectrum The Doppler Effect 6/20/2007 Modern Physics 1. Relativity Galilean Relativity Speed
More information4.2 Properties of Visible Light Date: (pages )
4.2 Properties of Visible Light Date: (pages 144-149) Visible light is a mixture of all the colours of the rainbow. A prism refracts light separating the colours. A second prism can recombine the colours
More information1. In Young s double slit experiment, when the illumination is white light, the higherorder fringes are in color.
TRUE-FALSE STATEMENTS: ELECTRICITY: 1. Electric field lines originate on negative charges. 2. The flux of the electric field over a closed surface is proportional to the net charge enclosed by the surface.
More information10. A Kelvin thermometer and a Fahrenheit thermometer both give the same reading for a certain sample. The corresponding Celsius temperature is: A)
Physics 223 practice final exam, Form X!! Fall 2017 Name Write your answers (one per question) on a Scantron form (882E) using a pencil. Write your name above. Return this exam with your scantron upon
More information