An under water swimmer is at a depth of 12m below the surface of water. A bird is at a height of 18m 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 (mu_W=4//3)

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

1.	An under water swimmer is at a depth of 12m below the surface of water. A bird is at a height of 18m 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 (mu_W=4//3)
Answer» 24m 12m 36m 18m Answer :A