Question

an incident beam of of light of intnsity Io is made to fall on a polaroid A. another polaroid B is so oriented that there is no light emerging out of B. a third polaroid C is now introduced mid-way between A and B and is so oriented that its axis bisects the angle between the axis of A and B. What is the intensity of light now b/w

(i) A and C

(ii) C and B

Give reasons for ur answer.....

Answer 1

Between
A and C is I0/2
and Between
C and B is I0/4