Quiz11_a-d - __________________________________________...

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NAME: __________________________________________ Quiz #11a: Phys270 1. [ 10 pts] A proton’s energy is 1.5 MeV below the top of a 15-fm-wide energy barrier. What is the probability that the proton will tunnel through the barrier?
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NAME: __________________________________________ Quiz #11b: Phys270 1. [ 10 pts] An electron is confined in a harmonic potential well that has a spring constant of 1.5 N/m. a. [7 pts] What are the first two energy levels of the electron? b. [3 pts] What wavelength photon is emitted if the electron undergoes a transition from the n=2 to n=1 state?
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NAME:
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Unformatted text preview: __________________________________________ Quiz #11c: Phys270 1. [10 pts] An electrical discharge in a neon-filled tube maintains a steady population of 1.0 x 10 8 atoms in an excited state with a lifetime of =30 ns. How many photons are emitted per second from atoms in this state? NAME: __________________________________________ Quiz #11d: Phys270 1. [10 pts] Consider a hydrogen atom in an orbital anglular momentum state of l =3. a. [5 pts] What is the minimum angle between L and the z-axis? b. [5 pts] What is the maximum angle between L and the z-axis?...
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This note was uploaded on 12/26/2011 for the course PHYSICS 270 taught by Professor Drake during the Fall '08 term at Maryland.

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Quiz11_a-d - __________________________________________...

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