Q. 52

Expert-verified
Found in: Page 1116

### Physics for Scientists and Engineers: A Strategic Approach with Modern Physics

Book edition 4th
Author(s) Randall D. Knight
Pages 1240 pages
ISBN 9780133942651

# 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:

See the 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: