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CBSE Class 10 Answered

DOUBT
Asked by | 14 Sep, 2008, 09:23: AM
answered-by-expert Expert Answer

Diffraction is the bending of waves when the size of the obstacle is comparable with the wavelength of the waves. It can also take place when waves pass through an opening whose size is comparable with their wavelength. For example sound waves have very large wavelengths, so the size of the door is comparable with their wavelength. This is reason why sound seems to bend and reach you from one room to the other. But light does not reach you in  the same manner.

Answered by | 14 Sep, 2008, 12:40: PM
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