a sound wave has a frequency 2 KHz and wave length 35cm howlong will it take to ttavel 1 .5 km
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speed
of sound =frequency × wavelength
=2000Hz ×0.35m
=700m/sec
Speed=D/T
700=1500m/T
700/1500=T
0.46sec=T(Answer...)(∩︵∩)
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