Question

A rectangular tank of depth 8 meter is full of water (mu=4//3), the bottom is seen at the depth

Answer 1

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Answer 2

Answer:

Here you should use the formula,

refractive index of water with respect to air =

actual depth/virtual depth.

actual depth/virtual depth.Given, refractive index of water = 4/3

actual depth = 8m

Virtual depth = X m

∴ 4/3 = 8 /X

⇒X = 8 × 3/4 = 6 m

Hence, answer is X = 6 m