waves

Related Questions

• The phase difference between two points separated by 0.8 m in a wave of frequency 120 Hz is ${{90}^{o}}$. Then the velocity of wave will be

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• A wave is represented by the equation $y=7\sin \left( 7\pi t-0.04\,x\pi +\frac{\pi }{3} \right)$ where $x$ is in metres and $t$ is in seconds. The speed of the wave is

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• A siren emitting sound of frequency 500 Hz is going away from a static listener with a speed of 50 m/sec. The frequency of sound to be heard, directly from the siren, is

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• Find the frequency of minimum distance between compression & rarefaction of a wire. If the length of the wire is 1m & velocity of sound in air is 360 m/s

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• If the ratio of amplitude of two waves is 4 : 3. Then the ratio of maximum and minimum intensity will be

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