Question

A sound wave has a wavelength 50cm and frequency 3kHz. How long will it take to move through 1.5km?

Answer 1

F= 3000hz

w.l. = .50m

speed = f × w.l.

1500m/s

now dist. = 1500 m

time= d/sp.

1500/1500

1/1

1sec.

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