Question

9
A fish is am deep inside a river come
is flying 30 above the river surface.
depth at which the bird & views the
Cronotive index of water = 4/3).
The
fish is.​

Answer 1

Answer:

n = Real depth/Apparent depth

Explanation:

Real depth = 30 cm

Refractive index of water = 4/3

Apparent depth = Real depth/n

Apparent depth = 30×3/4= 90/4 = 22.5cm

Therefore depth at which the bird &views the fish is22.5cm

Answer 2

Answer:

Are you from kerala?

Say your class std