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 at a distance from the surface of water equal to (Refractive Index of water is 4/3)A. 24 mB. 12 mC. 18 mD. 9 m

An under water swimmer is at a depth of 12 m below the surface of wate

1.	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 at a distance from the surface of water equal to (Refractive Index of water is 4/3)A. 24 mB. 12 mC. 18 mD. 9 m
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