Q. Plane polarized light is passed through a polaroid. On viewing through the polaroid we find that when the polariod is given one complete rotation about the direction of the light, one of the following is observed
A) The intensity of light gradually decreases to zero and remains at zero
B) The intensity of light gradually increases to a maximum and remains at maximum
C) There is no change in intensity
D) The intensity of light is twice maximum and twice zero
Explanation
The correct answer is Option D: The intensity of light is twice maximum and twice zero.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.