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A ray of light is reflected by two perpe...

A ray of light is reflected by two perpendicular plane mirrors as shown. The angle `theta` is equal to:

A

`65^(@)`

B

`25^(@)`

C

`50^(@)`

D

`90^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
At second surface,
`i=25^(@)`
`r=25^(@)`
`:." "theta=i+r=50^(@)`
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