Unpolarized light of intensity I is incident on a system of two polarizers, A followed by B.
Channel: Doubtnut
Date: 2020-01-03

Unpolarized light of intensity I is incident on a system of two polarizers, A followed by B. The intensity of emergent light is `I/2`. If a third polarizer C is placed between A and B, the intensity of emergent light is reduced to `I/3`. The angle between the polarizers A and C is `theta`. Then :