Question:

A beam of unpolarised light of intensity Io is passed through a polaroid A and then through another polaroid B which is oriented so that its principal plane makes an angle of 45° relative to that of A. The intensity of emergent light is : 

(1) Io/4 

(2) Io 

(3) Io/2 

(4) Io/8

                                        JEE-2024

Solution:                
A beam of unpolarised light of intensity Io is passed through a polaroid A and then through another polaroid B which is oriented so that its principal plane makes an angle of 45° relative to that of A. The intensity of emergent light is : (1) Io/4 (2) Io (3) Io/2 (4) Io/8 JEE-2024

Bhautik Study is a branch of knowledge that offers comprehensive solutions to a wide range of questions, aiding in preparation for exams such as JEE, NEET, CUET and NDA.