Explain why you can see the back of your head at the hairdresser's shop?

Explanation

To explain why you can see the back of your head at the hairdresser's shop, we can break it down into the following steps:

### Step-by-Step Solution:

1. **Understanding Reflection**:
- Light travels in straight lines and can reflect off surfaces. When light hits a smooth, shiny surface like a mirror, it bounces back. This is known as reflection.

2. **Positioning at the Hairdresser's**:
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