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Q. 19

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 1175

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Short Answer

An electron confined in a harmonic potential well emits a 1200nm photon as it undergoes a quantum jump. What is the spring constant of the potential well?

Spring constant of potential well =

See the step by step solution

Step by Step Solution

Step 1. Given information

Energy levels of quantum harmonic oscillator,

Here,

denotes the state,

reduced Planck's constant and

classical angular frequency.

Step 2. Energy of second level and third level

for second level,

for third level,

Step 3. For classical angular frequency

therefore,

Step 4. Finding spring constant

Thus, the spring constant of potential well

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