Question

8. When water is filled in a container its bottom
appears raised by 5 cm. What is the actual
depth of container if the refractive index of
water is 4/3?
a) 20 cm
b) 25 cm
d) 5 cm
c) 10 cm​

Answer 1

Answer:

actual depth/apparent depth=refractive index

x/5=4/3

x=20/3cm=6.67cm