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Consider the situation shown in figure. ...

Consider the situation shown in figure. Water `(mu_(W) = (4)/(3))` is filled in a breaker upto a height of 10 cm . A plane mirror fixed at a height of 5 cm from the surface of water. Distance of image from the mirror after reflection from it of an object O at the bottom of the beaker is

A

15 cm

B

12.5 cm

C

7.5

D

10 cm

Text Solution

Verified by Experts

The correct Answer is:
B
From figure it is clear that object appears to be raised by `(10)/(4) cm` (2.5cm )
Hence, distance between mirror and O.
= 5 + 7.5 = 12.5 cm
So final image will be formed at 12.5 cm behind the plane mirror.
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