HARD
12th West Bengal Board
IMPORTANT
Earn 100

A small bulb is placed at the bottom of a tank containing water to a depth of What is the area of the surface of water through which light from the bulb can emerge out? The Refractive index of water is 1.33. Consider the bulb to be a point source of light.

Important Questions on Refraction of Light
HARD
12th West Bengal Board
IMPORTANT

HARD
12th West Bengal Board
IMPORTANT

HARD
12th West Bengal Board
IMPORTANT

HARD
12th West Bengal Board
IMPORTANT

HARD
12th West Bengal Board
IMPORTANT
material of the prism lie?

EASY
12th West Bengal Board
IMPORTANT
A ray of light is incident normally at the face of a right-angled prism [Fig] of . What is the largest value of the angle for which the ray is totally reflected at the surface ?

HARD
12th West Bengal Board
IMPORTANT

HARD
12th West Bengal Board
IMPORTANT
