Explain the following terms :
Plane mirror

Explanation

### Step-by-Step Solution:

1. **Definition of Plane Mirror**: A plane mirror is a flat, reflective surface that is used to produce images through reflection.

2. **Structure of Plane Mirror**: A plane mirror consists of two main components:
- **Thin Glass Sheet**: This is the base of the mirror that provides stability and support. It can be either thin or thick, but it is typically made of clear glass.
- **Reflecting Surface**: This is a highly polished coating applied to one side of the glass. Common materials for this coating include silver or aluminum, which are known for their reflective properties.

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