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The apparent depth of water in cylindric...

The apparent depth of water in cylindrical water tank of diameter 2R cm is reducing at the rate of x cm/minute when water is being drained out at a constant rate. The amount of water drained in c.c. per minute is `(n_(1)=" refractive index of air, "n_(2)=" refractive index of water")`

A

`x pi R^2 n_1//n_2`

B

`x pi R^2 n_2//n_1`

C

`2pi Rn_1//n_2`

D

`piR^2 x `

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-GEOMETRICAL OPTICS-LECTURE SHEET (EXERCISE-II (LEVEL-II (ADVANCED) STRAIGHT OBJECTIVE TYPE QUESTIONS))
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  18. For maximum deviation D("max").

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