Q. The frequency of a sound source is 600 Hz. The speed of sound in a medium is 330 m/s . What will be the linear distance between an adjacent crest and trough. 

Dear Student ,

f = lamda x velocity 
lambda = 600/330
lambda =  1.81 m 
           approx. 2 m
since linear b/w adjacent crest and trough 
linear = lambda / 2
         =  1 m 
Regards

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