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A source of light lies on the angle bise...

A source of light lies on the angle bisector of two plane mirrors inclined at angle `theta`. The value of `theta`, so that the light reflected from one mirror does not reach the other mirror will be.

A

`thetage120^@`

B

`thetage90^@`

C

`thetale120^@`

D

None of the above

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The correct Answer is:
A
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