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Q.

Two sound waves of wavelength 2m and 2.02 m produce 15 beats in 3 seconds in a medium. The velocity of sound in that medium is

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a

330 m/s

b

1450 m/s

c

1600 m/s

d

1010 m/s

answer is B.

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Detailed Solution

$n_{1} - n_{2} = v (\frac{1}{λ_{1}} - \frac{1}{λ_{2}})$

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