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

2 m

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8 m

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4 m

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16 m

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Solution

The correct option is D $16 m$
$v = 960 m / s, n = \frac{3600}{60} H z = 60 H z$
so $λ = \frac{v}{n} = \frac{960}{60} = 16 m$
Hence option 'D' is correct.

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