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it is ans. no. 2
Velocity of the wave v = 760m/s3600 waves passes in 2 min, therefore no. of waves in one second= 36002×60=30therefore frequency is f=30 Hz.wavelngth is given by:λ=vf=76030=25.33 m
Hope this information will clear your doubt about waves.
Velocity of the wave v = 760m/s3600 waves passes in 2 min, therefore no. of waves in one second= 36002×60=30therefore frequency is f=30 Hz.wavelngth is given by:λ=vf=76030=25.33 m
Hope this information will clear your doubt about waves.
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