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What will be the wave velocity, if the radar gives 54 waves per min and wavelength of the given wave is 10 m

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4 m/sec

6 m/sec

9 m/sec

5 m/sec

answer is C.

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Detailed Solution

$n = \frac{54}{60} Hz, λ = 10 m \Rightarrow v = nλ = 9 m / s .$

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