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USE--final

# USE--final - Physics 1C Spring 2011 Final Exam Preparation...

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Physics 1C Spring 2011: Final Exam Preparation 1 03.09.11 The following are additional questions that you may use to prepare for the final exam. You can find the answers at the end of the document, however, no solutions will be provided. Some of these may overlap with some of the quiz questions from this quarter. 1 . At the end of 14.0 minutes, 1/16 of a sample of radioactive polonium remains. The corresponding half-life of polonium is: a. λ = 0.875 minutes. b. = 3.50 minutes . c. = 1.75 minutes. d. = 1.14 minutes. e. = 4.67 minutes. 2 . A 0.20-kg block rests on a frictionless level surface and is attached to a horizontally aligned spring with a spring constant of 40 N/m. The block is initially displaced 4.0 cm from the equilibrium point and then released to set up a simple harmonic motion. What is the speed of the block when it passes through the equilibrium point? a. 2.1 m/s. b. 1.6 m/s. c. 1.1 m/s. d. 0.57 m/s . e. 0.32 m/s. 3 . How many possible subshells are there for the n = 4 level of hydrogen? a. 1. b. 2. c. 3. d. 4. e. 5. 4 . Calculate the binding energy per nucleon of carbon-12 ( 6 12 C ). Assume the mass of carbon is 11.996706u. a. 1.2 MeV/nucleon. b. 2.4 MeV/nucleon. c. 7.4 MeV/nucleon. d. 7.7 MeV/nucleon. e. 5.6 MeV/nucleon.

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Physics 1C Spring 2011: Final Exam Preparation 2 03.09.11 5 . Of the three common types of radiation (alpha, beta, gamma) from radioactive sources, electric charge is carried by: a. only alpha. b. only beta. c. only beta and gamma. d. only alpha and gamma. e. only alpha and beta. 6 . An atom is in a state with orbital quantum number l = 2. Possible values of the magnetic quantum number m l are: a. only 1 and 2. b. only 0, 1, and 2. c. only 0 and 1. d. only –1, 0, and 1. e. only –2, –1, 0, 1, and 2. 7 . The Stern-Gerlach experiment makes use of : a. a strong uniform magnetic field. b. a strong non-uniform magnetic field. c. a strong uniform electric field. d. a strong non-uniform electric field. e. a much stronger than normal gravitational field. 8 . Select the one correct statement from the following choices: a. Ultraviolet light has a longer wavelength than infrared light. b. Blue light has a higher frequency than x rays. c. Radio waves have higher frequency than gamma rays. d. Gamma rays have higher frequency than infrared waves. e. Red light has a higher frequency than blue light. 9 . The Sun is about 1.5x10 11 m away. The time for light to travel this distance is about: a. 4.5x10 19 s. b. 8.4 s. c. 8.3 min . d. 8.0 hr. e. 8.8 yr. 10 . A ray of light in air is incident on the mid-point of a Lucite prism surface at an angle of 30.0º with the normal. For the Lucite, n = 1.50, and the prism apex angle is 60.0º (the prism is equilateral). What angle does the ray make
Physics 1C Spring 2011: Final Exam Preparation 3 03.09.11 with respect to the normal as it enters the air on the far side of the Lucite prism? a. 49.5º. b. 77.1º. c. 19.5º. d. 70.5º. e. 41.8º. 11 . While conducting an experiment in 1CL you note that a simple pendulum has a period of 2.0 seconds. The bob at the end of the pendulum has a mass of 0.33 kg. What is the length of the pendulum?

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USE--final - Physics 1C Spring 2011 Final Exam Preparation...

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