Question

To an under water swimmer at depth 12 below the surface of water a bird at height 18 m above the surface of water appears at height h above the surface of water, then h is equal to

Answer 1

To an under water swimmer at depth 12 below the surface of water a bird at height 18 m above the surface of water appears at height h above the surface of water, then h is equal to.

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24 m