waves

Related Questions

• The apparent frequency of a note, when a listener moves towards a stationary source, with velocity of 40 m/s is 200 Hz. When he moves away from the same source with the same speed, the apparent frequency of the same note is 160 Hz. The velocity of sound in air is (in m/s)

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• Maximum number of beats frequency heard by a human being is

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• Two monoatomic ideal gases 1 and 2 of molecular masses m1 and m2 respectively are enclosed in separate containers kept at the same temperature. The ratio of the speed of sound in gas 1 to that in gas 2 is given by

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• A transverse wave is described by the equation $Y={{Y}_{0}}\sin 2\pi \left( ft-\frac{x}{\lambda } \right)$. The maximum particle velocity is four times the wave velocity if

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• In a plane progressive wave given by $y=25\cos (2\pi t-\pi x)$, the amplitude and frequency are respectively

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