A sound wave has a frequency of 2 khz and wavelength of 45 CM it
takes as to travel calculate the distance travel
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Frequency =2khz=2000hz
Wavelength =45cm=0.45
Speed =frequency ×Wavelength
=2000hz ×0.45hz
=900m/s
Now distance =speed ×time
=900m/s×4s
=3600m
=3.6km
Wavelength =45cm=0.45
Speed =frequency ×Wavelength
=2000hz ×0.45hz
=900m/s
Now distance =speed ×time
=900m/s×4s
=3600m
=3.6km
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