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AP Physics 2/Unit 15 – Modern Physics
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Quantum Harmonic Oscillator Momentum Distribution
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A quantum harmonic oscillator has energy levels given by En = (n+½)ħω. If a system transitions from the n=3 to n=1 state, what happens to the system’s momentum distribution?

A

It remains unchanged despite the energy change

B

It becomes wider with larger maximum values

C

It shifts to higher momentum values only

D

It becomes narrower with smaller maximum values

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