How will you distinguish between a plane mirror, a concave mirror and a convex mirror, without touching them?

Explanation

To distinguish between a plane mirror, a concave mirror, and a convex mirror without touching them, you can follow these steps:

### Step-by-Step Solution:

1. **Hold the Mirror Near Your Face**: Start by holding the mirror close to your face, at a distance where you can see your reflection clearly.

2. **Observe the Image Characteristics**:
- **For a Plane Mirror**: If the image you see is erect (upright) and of the same size as your face, and this size does not change when you move the mirror closer or farther away, then you are looking at a plane mirror.
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