Physics · Optics
A beam of light along the z-axis passes through a quarter-wave plate and an analyzer. The fast axis of the quarter-wave plate is aligned with the x-axis. The light intensity is measured by a detector placed after the analyzer. Consider two scenarios where the incident light beam is (a) circularly polarized and (b) linearly polarized along the x-axis. If the polarization axis of the analyzer is rotated by one full cycle about the z-axis, the number of times the detector measures the maximum intensity in each case would be:
- 1(a) 2 and (b) 2✓
- 2(a) 4 and (b) 4
- 3(a) 2 and (b) 0
- 4(a) 4 and (b) 0
Correct answer
(a) 2 and (b) 2
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