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Two plane mirrors are perpendicular to e...

Two plane mirrors are perpendicular to each other. A ray after suffering reflection from the two mirror will be

A

perpendicular to the original ray

B

parallel to the original ray

C

parallel to the first mirror

D

at `45^(@)` to the original ray

Text Solution

Verified by Experts

The correct Answer is:
B
Here, angular deviation
`delta=2pi-2theta`
`=2pi-2xx(pi)/(2)=pi`
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