Two sound waves of wavelength \( 1 \mathrm{~m} \) and \( 1.01 \math...

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Two sound waves of wavelength \( 1 \mathrm{~m} \) and \( 1.01 \mathrm{~m} \) in
\( \mathrm{P} \) a gas produce 10 beats in \( 3 \mathrm{~s} \). The velocity of sound

W in the gas is
(1) \( 330 \mathrm{~m} / \mathrm{s} \)
(2) \( 337 \mathrm{~m} / \mathrm{s} \)
(3) \( 360 \mathrm{~m} / \mathrm{s} \)
(4) \( 300 \mathrm{~m} / \mathrm{s} \)
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