Published by:
CGP EDU Academic Team
Published on: August 11, 2026
A source of light is placed in front of a screen. Intensity of light on the screen is I. Two Polaroids 
and 
are so placed in between the source of light and screen that the intensity of light on screen is 
should be rotated by an angle of (degrees) so that the intensity of light on the screen becomes 
.
Text Solution
Verified by ExpertsThe correct answer is:
30
(30) 
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