Question

А A pool of water of refractive index

4/3! is 60cm deep. Find its apparent
depth when viewed vertically through
air.​

Answer 1

Apparent depth = 45 cm

Step-by-step explanation:

The refractive index of water in a pool, n = 4/3

Real depth, d = 60 cm

We need to find its apparent depth when viewed vertically through air.​ The ratio of real depth to the apparent depth is equal to the refractive index of the material. Let the apparent depth is d'. So,

`n=(d)/(d')\\\\d'=(d)/(n)\\\\d'=(60)/((4)/(3))\\\\d'=45\ cm`

So, the apparent depth is 45 cm.