From the diagram calculate i) Velocity of P and Q 
ii) frequency of P when frequency of Q is 512 Hz
Assume that both waves are travellin in the same medium

Asked by Suneel | 12th Dec, 2017, 06:05: PM

Expert Answer:

As per the diagram given,
wavelength of P,  λP = 0.8 m 
wavelength of Q,  λQ = 0.4 m
frequency of Q, nQ = 512 Hz (given)
frequency of P, nP = 256 Hz ( two cycle of Q = one cycle of P)
 
velocity of Q = λQ×nQ = 0.4 × 512 = 204.8 m
 
velocity of P, = λP × nP = 0.8 × 256 = 204.8 m

Answered by  | 13th Dec, 2017, 11:58: AM