Optics Question 185
Question: A beam of natural light falls on a system of 6 polaroids, which are arranged in succession such that each polaroid is turned through 30° with respect to the preceding one. The percentage of incident intensity that passes through the system will be
Options:
A) 100%
B) 50%
C) 30%
D) 12%
Show Answer
Answer:
Correct Answer: D
Solution:
If I is the final intensity and I0 is the initial intensity then
or