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Q. 53

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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

An electron confined in a one-dimensional box emits a 200 nm photon in a quantum jump from n=2 to n =1. What is the length of the box?

Tthe length of the box is

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Step by Step Solution

Step 1: Given information

An electron confined in a one-dimensional box emits a 200 nm photon in a quantum jump from n=2 to n =1.

Step 2: Explanation

Energy levels of the particle in the box:

Energy of the photon:

Substitute energy levels:

Substitute energy of the photon:

Step 3: Calculations:

Express the above equation in terms of L:

Substitute the values:

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