PhysicsEasy85×since 2002Q8555The velocity of sound in a gas, in which two wavelengths 4.08 m and 4.16 m produce 40 beats in 12s, will be :A282.8 ms^−-−1B175.5 ms^−-−1C353.6 ms^−-−1D707.2 ms^−-−1Check answerSkip