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Two plane mirrors are inclined at 70^@. ...

Two plane mirrors are inclined at `70^@`. A ray incident on one mirror at incidence angle `theta` after reflection falls on the second mirror and is reflected from there parallel to the first mirror, The value of `theta` is

A

`50^@`

B

`45^@`

C

`30^@`

D

`55^@`

Text Solution

Verified by Experts

The correct Answer is:
A
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