A sound wave has a frequency of 4khz and a wavelength of 40 cm. The time taken by the sound wave to travel a distance 3.2 km is
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distance=3.2 km
frequency=4KHZ
Ladma=0.4m
velocity=0.4×4=1.6m/sec
Time=d/v
=3.2/1.6=2sec
frequency=4KHZ
Ladma=0.4m
velocity=0.4×4=1.6m/sec
Time=d/v
=3.2/1.6=2sec
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