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Two plane mirrors are arranged at right ...

Two plane mirrors are arranged at right angles to each other as shown in figure.A ray of light is incident on the horizontal mirror at an angle `theta`. For what value of `theta`the ray emerges parallel to the incoming ray after reflection from the vertical mirror ?

A

`60^(@)`

B

`30^(@)`

C

`45^(@)`

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
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