1.

Two open organ pipes of lengths 50 cm and 50.5 cm produce 3 beats/s. Then the velocity of sound is .

Answer»

300 m/s
30 m/s
303 m/s
30.3 m/s

SOLUTION :`(v)/(2 xx 50)- (v)/(2 xx 50.5) = 3` or (101-100) v= `100 xx 101 xx 3` (or ) v = 30300 cm/ s = 303 cm/s


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