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A concave mirror is placed at the bottom...

A concave mirror is placed at the bottom of an empty tank with face upwards and axis vertical. When sunlight falls normally on the mirror, then it is focused at distance of 32 cm from the mirror. If the tank filled with water (`mu=4/3`) upto a height of

A

16 cm above water level

B

9 cm above water level

C

24 cm below water level

D

9 cm below water level

Text Solution

Verified by Experts

The correct Answer is:
B
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