Question

What happens when a ray of light falls normally (or perpendicular) on the surface of a plane mirror?

Answer 1

Answer:

Explanation:

When a ray of light falls normally (or perpendicular) on the surface of a plane mirror, it means that angle of incidence is 0o. According to second law of reflection, angle of incidence is equal to the angle of reflection. ... Thus, the light ray will be reflected back along the same path.

Answer 2

Answer:

As we know when light falls on a plane mirror then:

Incident Ray = Reflected ray

So 90° = 90°

The angles would be same.

Hope it helps.

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