Statement 1: No diffraction is produced in sound waves near a very small opening.
Statement 2: For diffraction to take place the aperture of opening should be of the same order as wavelength of the waves.

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Statement 1 is incorrect statement 2 is correct

Statement 1 is correct statement 2 is incorrect

Both statements 1 and 2 are correct

Both statements 1 and 2 are incorrect

answer is A.

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Detailed Solution

The diffraction of sound is only possible when the size of opening should be of the same order as its wavelength and the wavelength of sound is of the order of 1.0 m, hence, for a very small opening no diffraction is produced in sound waves.

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