1 A fish in water refractive index n looks at a bird

Last updated: 6/1/2023

1 A fish in water refractive index n looks at a bird vertically above in the air If y is the height of the bird and x is the depth of the fish from the surface then the distance of the bird as estimated by the fish is a x x 1 1 n c x y 1 n y x 1 1 b d x ny