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

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1 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 m b m c m d m 2. At what distance from the mirror could the object be placed to produce a virtual image of the object? a m b m c m d m 3. The particle model of electromagnetic radiation explains a. interference and reflection b. interference and diffraction c. the Compton Effect and diffraction d. the Compton Effect and the photoelectric effect 4. De Broglie s equation predicts that the wavelength associated with a particle a. varies directly as its mass b. varies inversely as the momentum of the particle c. would be infinite if v = speed of light d. varies inversely as the charge of the object 5. The composition of Mars atmosphere has been determined through spectroscopic analysis. The visible spectrum of Mars contains narrow, dark lines caused by a. diffraction of light between Mars and Earth b. dispersion of electromagnetic radiation by Earth s magnetic field c. gases in Mars atmosphere absorbing certain electromagnetic radiation d. gases in Mars atmosphere emitting certain electromagnetic radiation

2 Use the following information to answer the next question. The diagram below shows a light ray travelling from an unknown medium into air. The angle of incidence is 23.9 o and the angle of refraction is 56.3 o. Numerical Response 1 The index of refraction of the medium is. Record your three digit answer. Use the following information to answer the next two questions. An object is 0.24 m from a convex lens with a focal length of 0.13 m. Numerical Response 2 The image will form m from the lens. Record your two-significant digit answer. 6. The image that forms will be a. real and erect b. virtual and erect c. virtual and inverted d. real and inverted Numerical Response 3 Light of 5.55 x 10-7 m in air enters a block of plastic with a refractive index of The wavelength of light in the plastic, expressed in scientific notation, b x 10 -w m. Record your three-digit value of b. 7. The momentum of a photon is directly proportional to its a. speed b. wavelength c. frequency d. amplitude

3 8. Which of the following properties of light change during diffraction? a. Direction of travel only b. Wavelength, speed, direction of travel only c. speed and wavelength d. speed and frequency 9. The theory that light is a transverse wave is supported by the observations of the a. refraction of light b. dispersion of light c. diffraction of light d. polarization of light e. reflection of light 10. If a diffraction grating with 3.00 x 10 5 lines per metre gives a first order maximum at an angle of 10.0 o from the central bright band, then the wavelength of light is a. 328 nm b. 523 nm c. 164 nm d. 579 nm e. 998 nm 11. A particle, moving through a certain region of space, experiences a magnetic force. Which of the following is possible? a. A magnetic field exists in that region and changes the speed of the particle. b. A magnetic field exists in this region and the particle is moving at right angle to the magnetic field. c. A magnetic field exists in this region and the particle s velocity vector is parallel to the magnetic field vector. d. A magnetic field exists in this region and the particle is moving in the direction opposite to the magnetic field vector. Numerical response 4 An electron is accelerated from rest by a potential difference of 1.0 x 10 2 V. The de Broglie wavelength of the electron, expressed in scientific notation, is a.bx10 -cd. The values of a, b, c and d are,, and. Record your four-digit answer. Numerical Response 5 An X-ray tube operates at an electrical potential difference of 1.00 x 10 5 V. The minimum wavelength of the X-ray radiation it produces, expressed in scientific notation, is b x 10 -w m. The value of b is. Record your three-digit value.

4 12. The graph below represents the relationship between mass and its energy equivalent. The slope of the graph represents a. the electrostatic constant (Coulomb s constant) b. Plank s constant c. the speed of light squared d. the work function Use the following information to answer the next question. Three alpha particles travelling at the same speed are deflected by the nucleus of a gold atom. 13. If particles X and Y are deflected as shown, particle Z will most likely take path a. I b. II c. III d. IV 14. Which atomic process produces a change in the mass number of a nucleus? a. alpha decay b. gamma decay c. beta decay d. photoelectric effect

5 15. In a number of nuclear power stations, the reaction material is urnaium-235. The uranium-235 decays spontaneously to thorium-231 plus at least one other particle. One of the other particles that is produced must be a. a beta-negative particle b. a neutron c. a proton d. an alpha particle Use the following information to answer the next question. Electric Field The arrows indicate the direction of an electric field. The dot indicates the position of an electron at rest in the electric field. 16. The electron in the electric field will accelerate toward the a. top of the of the page b. bottom of the page c. to the right side of the page d. to the left side of the page 17. A technique used to detect the presence of planets moving around a star is to find whether a star has a wobble in its movement. A planet may exist, because the wobble is caused by the interaction of the star s and the planet s a. electric fields b. gravitational fields c. magnetic fields d. emitted electromagnetic radiation

6 Use the following information to answer the next 2 questions. 18. A certain type of meson (mesons consist of 2 quarks) has a charge of -1. Which combinations of quarks could this particle contain? a. su b. db _ su c. d. ts 19. The lambda baryon consists of 3 quarks: up, down and strange. The mass of this baryon is i GeV/c 2 due to ii. The above statement is best completed by the information in row Row i ii A. equal to the sum of the individual quark masses B. greater than due to the binding energy required to hold the quarks together C. less than due to the binding energy required to hold the quarks together D. equal to due to the binding energy required to hold the quarks together

7 Answers 1. B 2. A 3. D 4. B 5. C NR 1: 2.05 Nr 2: D NR 3: C 8. A 9. D 10. D 11. B NR 4: 1210 NR 5: C 13. D 14. A 15. D 16. D 17. B 18. C 19. B 20.

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