An electron in a hydrogen atom jumps from n = 5 energy level to n = 1 energy level. What are the maximum number of photons that can be emitted ?

Explanation

To find the maximum number of photons that can be emitted when an electron in a hydrogen atom jumps from the n = 5 energy level to the n = 1 energy level, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Energy Levels**:
The electron is transitioning from the n = 5 energy level to the n = 1 energy level. The energy levels of a hydrogen atom are quantized, and the electron can occupy these discrete levels.

2. **Understanding Photon Emission**:
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