Two waves of wavelength 99cm and 100cm both travelling with velocity 396m/s are made to interfere. The number of beats produced by them per second is

Two waves of wavelength 99cm and 100cm both travelling with velocity 3

1.	Two waves of wavelength 99cm and 100cm both travelling with velocity 396m/s are made to interfere. The number of beats produced by them per second is
A.	1
B.	2
C.	4
D.	8
Answer» D. 8

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Two waves of wavelength 99cm and 100cm both travelling with velocity 396m/s are made to interfere. The number of beats produced by them per second is

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