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26-04-2024
Physics

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The velocity of sound in a gas, in which two wavelengths 4.08m and 4.16m. produce 40 beats in 12s, will be:
A. 282.8 m-¹
B. 175.5 m-¹
C. 353.6 m-¹
D. 707.2 m-¹

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