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Speed in a Medium

The speed of ...

Question

The speed of a wave in a certain medium is 960 m/s. If 3600 waves pass over a certain point of the medium in 1 min, the wavelength is

A

2m

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B

4m

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C

8m

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D

16m

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Solution

The correct option is D 16m
$f = \frac{3600}{60} H z \Rightarrow λ = \frac{v}{λ} = \frac{960}{60} = 16 m$

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