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Question

Both light and sound waves produce diffraction. It is more difficult to observe the diffraction with light waves because

A
Light waves do not require medium
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B
Wavelength of light waves is far smaller
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C
Light waves are transverse
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D
Speed of light is far greater
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Solution

The correct option is B Wavelength of light waves is far smaller
In diffraction the fringe width is directly proportional to the wavelength of the wave. Lesser the wavelength, difficult it is to observe the diffracted fringe pattern and wavelength of light waves is far smaller than that of any sound waves.

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