Quiz09a-s - Quiz 9a Name Phys224 Date Spring 2010 Dr P...

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Quiz 9a Name: Date: Phys224 Spring 2010 Dr. P. Hanlet Concept (3 points each) 1. A wave function is: (a) a solution to the wave equation (b) a probability density (c) used to describe the quantum mechanical state of a particle (d) all of the previous (e) (a) and (c) 2. Dark lines against an otherwise continuous spectrum of electromagnetic radiation are caused by a: (a) photon emitted when an electron transitions to a higher state (b) photon emitted when an electron transitions to a lower state (c) a photon absorbed when an electron transitions to a higher energy state (d) electron emitted when a photon transitions to a higher state (e) electron emitted when a photon transitions to a lower state 1
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Problem (5 pts) Show your work!!! If I can read it, I will give you partial credit!!! Correct answers without work will NOT get full credit. 3. Suppose that an electron is in its ground state ( n =1) in an infinite square well of length L =100 pm . A photon of wavelength λ γ =2 . 20 nm excites the electron.
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