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Q. 52

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 1116

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Short Answer

A proton emits a gamma-ray photon with energy 2.0 MeV in a quantum jump from n =2 to n= 1.

The length of the box is:

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Step by Step Solution

Step 1: Given information

A proton confined in a one-dimensional box emits a 2.0 MeV gamma-ray photon in a quantum jump from n =2 to n= 1.

Step 2: Explanation

The energy levels of the particle in the box:

Energy of the photon:

Substitute energy levels:

Step 3: Calculations:

Express the above equation in terms of L:

Substitute the values:

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