waves

Related Questions

• The stationary wave produced on a string is represented by the equation $y=5\cos (\pi x/3)\sin 40\pi t$. Where x and y are in cm and $t$ is in seconds. The distance between consecutive nodes is

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• A boy is walking away from a wall towards an observer at a speed of 1 metre/sec and blows a whistle whose frequency is 680 Hz. The number of beats heard by the observer per second is (Velocity of sound in air = 340 metres/sec)

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• If the wave equation $y=0.08\sin \frac{2\pi }{\lambda }(200t-x)$ then the velocity of the wave will be

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• The phase difference between two points separated by 0.8 m in a wave of frequency is 120 Hz is $\frac{\pi }{2}.$ The velocity of wave is

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• Which of the following is not the transverse wave

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