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Wave Equation

Sound travels...

Question

Sound travels with a speed of about 330m/s. What is the wavelength of sound whose frequency is 660 Hz?

A

0.5 m

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B

1 m

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C

2 m

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D

1.5 m

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Solution

The correct option is A 0.5 m
We have , $v = f λ$ ,
given $v = 330 m / s, f = 660 H z$ ,
therefore , $λ = v / f = 330 / 660 = 0.5 m$

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