Short Answer
Unpolarized light of intensity I passes through four Polaroid sheets whose polarizing angles are rotated 30° from each other so that the last sheet is aligned at 90° to the first. What is the intensity of the light emerging from the fourth sheet?
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q52: The rms value of the electric field
Q53: An electromagnetic wave is a result of
Q54: The energy density of an electromagnetic wave
Q55: The first scientific attempt to measure the
Q56: The magnetic field component of the electromagnetic
Q58: A radio station broadcasts at a frequency
Q59: A Doppler weather radar operates at a
Q60: The value of the magnetic field for
Q61: A particle of interplanetary dust is close
Q62: The Doppler effect is observed when the