Wave Optics Ques 33
33. Which of the following phenomenon is not common to sound and light waves?
[1988]
(a) Interference
(b) Diffraction
(c) Coherence
(d) Polarisation
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Answer:
Correct Answer: 33.(d)
Solution:
- (d) Sound waves can not be polarised as they are longitudinal. Light waves can be polarised as they are transverse.
Polarisation of light is the restricting the vibration of light in a particular direction perpendicular to the direction of wave motion. Light is an electromagnetic wave and is transverse in nature.
BETA
