Question

An object is at a height 10 cm from the surface of water of refractive index = 4/3. An observer sees the object from a position inside water. The apparent height of the object from the surface of the water is

(1) 7.5 cm
(2) 13.33 cm
(3) 10 cm
(4) 1 cm​

Answer 1

Answer:

Given, μ=

3

4

,height=10cm

So, from the figure it is clear that object appears to be raised by the

4

10

cm=2.5cm

So the distance between the mirror and O' is: 5+7.5=12.5cm