Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Three sound waves ofequal amplitudes have amplitudes have frequencies (v-1), v, (v+1), they superpose to give beats. The number of beats produced per second will be - Sarthaks eConnect
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Three sound waves of  equal amplitudes have amplitudes have frequencies (v-1), v, (v+1), they superpose to give beats. The number of beats produced per second will be: