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The wavelengths of two notes in air are $\large\frac{36}{195}$$m$ and $\large\frac{36}{193}$$m$. Each note produces 10 beats per second separately with a third note of fixed frequency.The velocity of sound in air in m/s is :

\[\begin {array} {1 1} (a)\;330 & \quad (b)\;340 \\ (c)\;350 & \quad (d)\;360 \end {array}\]

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Ans : (d)
answered Feb 27, 2014 by thanvigandhi_1

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