A vessel of depth H is filled with a non-homogeneous liquid whose refractive index varies linearly from 1 at top to 2 at bottom. Apparent depth of vessel as seen by observer from above will be nearly –
Text Solution
Verified by ExpertsThe correct answer is:
D
μ = 1+ 
Apparent thickness of the elementary layer
= 
= 
∴ Apparent depth = 
= H λ n 2
0.7 H
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