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A ray of light is incident on a plane mi...

A ray of light is incident on a plane mirror at an angle of incidence of `30^@`. The deviation produced by the mirror is

A

`30^(@)`

B

`60^(@)`

C

`90^(@)`

D

`120^(@)`

Text Solution

Verified by Experts

The correct Answer is:
D
Angle of deviation `= delta = 180 - 2i`
= 180 - 60
`= 120^(@)`
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