Question

Two waves of Wave length 50 cm and 51cm produce 12 beats/s the speed of sound is

a) 306 m/s
b) 331 m/s
c) 340 m/s d) 360 m/s​

Answer 1

Answer:

306 m/s

Explanation:

v = 1÷50-1÷51=12

v=12×50×51÷51-50=30600cm/s

=306m/s