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A plane mirror is placed horizontally in...

A plane mirror is placed horizontally inside water (`mu`=4/3). A ray falls normally on it. Then mirror is rotated through an angle `theta`. The minimum value of `theta` for which ray does not come out of the water surface is

A

`(pi)/(4)`

B

`sin^(-1)((3)/(4))`

C

`(1)/(2)sin^(-1) ((3)/(4))`

D

`2 sin^(-1) ((3)/(4))`

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-RAY OPTICS AND OPTICAL INSTRUMENTS-Assignment (Section - B) Objective Type Questions (One option is correct)
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