Question

what happens when ray of light falls normally on the surface of plain mirror​

Answer 1

Answer:

When a ray of light falls normally on the surface of a medium, then, no bending of light ray occurs. It means the light ray goes straight from one medium to another.

Answer 2

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ANSWER:

Normally if the surface is smooth and well polished the light rays falling on it will be reflected parallel.
When the surface is rough or irregular the light rays will travel in different directions.

YOU COULD REFER THE BELOW ATTACHMENT.

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