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Exam1_Example - A The exam will contain some multiple...

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A NAME: ________________________________________________________________ The exam will contain some multiple choice questions similar to the ones below and one or two short answer problems. 1. Which of the following phenomena could be explained by classical physics and did not require a quantum hypothesis in order to make theory agree with experiment? (a) Blackbody spectra (e) Atomic line spectra (b) Diffraction of light (f) (b) and (e) (c) Low-temperature heat capacity in perfect crystals (g) (a), (b), and (d) (d) The photoelectric effect (h) (c) and (d) 2. If a normalized wave packet Ψ is given as Ψ x , y , z , t ( ) = c n ψ n n = 1 x , y , z ( ) e iE n t / , what is the probability that an experiment will cause the system to collapse to the specific stationary state j ? (a) Quantum mechanics does not allow you to know this probability (e) c j (b) One (f) | c j | 2 (c) < ψ j | H | ψ j > (g) (b) and (d) (d) c j * (h) Only Schrödinger's cat knows 3. Which of the following statements about the de Broglie wavelength λ are false ? (a) λ decreases as mass increases if velocity is constant (e) A particle that has zero velocity has
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