A sound wave travels at a speed of 339 m/s . If its wavelength is 1.5 cm , what is the frequency of the wave?

2600 H z

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2200 H z

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2260 H z

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22600 H z

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Solution

The correct option is C $22600 H z$
Given speed $(V) = 339 m / s$ ; $λ = 0.0015 m; f = ?$
Now we know, $V = f λ$
$⟹ f = \frac{V}{λ} = \frac{339}{0.0015} = 22600 H z$

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