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AP Physics 2/Unit 15 – Modern Physics
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Quantum Harmonic Oscillator Momentum Distribution

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The energy levels of a quantum harmonic oscillator are given by the equation En = (n+½)ħω. Following a transition from the n=3 state to the n=1 state, how is the system’s momentum distribution altered?

A

It becomes wider with larger maximum values

B

It shifts to higher momentum values only

C

It becomes narrower with smaller maximum values

D

It remains unchanged despite the energy change

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