Sound wave frequency 1000 hz wavelength 50 cm how long does it take travel 1km
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Wave velocity = Frequency × wavelength
=> distance (d) / time (t) = 1000 × 0.5
=> 1000 / t = 1000×0.5
=> 1000 = 500 × t
=> t = 1000/500 = 2 second.
=> distance (d) / time (t) = 1000 × 0.5
=> 1000 / t = 1000×0.5
=> 1000 = 500 × t
=> t = 1000/500 = 2 second.
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