Q.
Diffraction effects are easier to notice in the case of sound waves than in the case of light waves because
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a
Sound waves are longitudinal
b
Sound is perceived by the ear
c
Sound waves are mechanical waves
d
Sound waves are of longer wavelength
answer is D.
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Detailed Solution
The obstacles like doors, windows will have the size comparable to wave length of sound. Hence Diffraction of sound is easily produced.
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