An under water swimmer is at a depth of $12\ m$ below the surface of water. A bird is at a height of $18\ m$ from the surface of water, directly above his eyes. For the swimmer the bird appears to be a distance from the surface of water equal to (Refractive Index of water is $\frac{4}{3}$)

Question

Dr. Abubacker · Accepted Answer

(a) $\mu = \frac{h^{'}}{h} \Rightarrow h^{'} = \mu h = \frac{4}{3} 	imes 18 = 24\ cm$

Q. An under water swimmer is at a depth of $12\ m$ below the surface of water. A bird is at a height of $18\ m$ from the surface of water, directly above his eyes. For the swimmer the bird appears to be a distance from the surface of water equal to (Refractive Index of water is $\frac{4}{3}$)

Explanation

Reviewed by Dr. Abubacker

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