waves

Related Questions

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• A wave is represented by the equation $y=7\sin \{\pi (2t-2x)\}$ where $x$ is in metres and $t$ in seconds. The velocity of the wave is

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• A wave equation which gives the displacement along y-direction is given by $y=0.001\sin (100t+x)$ where x and y are in meterand t is time in second. This represented a wave

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• A whistle giving out 450 Hz approaches a stationary observer at a speed of 33 m/s. The frequency heard by the observer in Hz is

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