Do all the photons have same dynamic mass ? If not, Why ?

Explanation

To answer the question "Do all the photons have the same dynamic mass? If not, why?" we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Photons**:
- Photons are elementary particles that represent a quantum of light and other forms of electromagnetic radiation. They are massless particles, but they do carry energy and momentum.

2. **Energy of a Photon**:
...