Beats are produced by two waves  ` y_(1)=a sin 1000 pi t , y_(2)=a sin  998 pi t`  The number of
Channel: Doubtnut
Date: 2020-08-23

Beats are produced by two waves ` y_(1)=a sin 1000 pi t , y_(2)=a sin  998 pi t`  The number of beats / sec is