waves

Related Questions

• Equation of the progressive wave is given by : $y=a\sin \pi (40t-x)$ where $a$ and $x$ are in metre and $t$ in second. The velocity of the wave is

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• Frequency range of the audible sounds is

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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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• The displacement $y$ (in cm) produced by a simple harmonic wave is $y=\frac{10}{\pi }\sin \left( 2000\pi t-\frac{\pi x}{17} \right)$. The periodic time and maximum velocity of the particles in the medium will respectively be

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• If you set up the seventh harmonic on a string fixed at both ends, how many nodes and antinodes are set up in it

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