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On a plane mirror, a ray of light is inc...

On a plane mirror, a ray of light is incident at an angle of 30° with horizontal. To make the reflected ray vertical, at what angle with the horizontal must a plane mirror be placed?

A

`30^(@)`

B

`60^(@)`

C

`45^(@)`

D

`54^(@)`

Text Solution

Verified by Experts

The correct Answer is:
A
To make the reflected ray vertical, mirror should be rotated through `30^(@)`.
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