waves

Related Questions

• The stationary wave $y=2a\sin kx\cos \omega \,t$ in a closed organ pipe is the result of the superposition of $y=a\sin (\omega \,t-kx)$and

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• The equation of a stationary wave is $y=0.8\cos \,\left( \frac{\pi x}{20} \right)\sin 200\,\pi t$, where x is in cm and t is in sec. The separation between consecutive nodes will be

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• Two wires are fixed in a sonometer. Their tensions are in the ratio $8 : 1$. The lengths are in the ratio $36:35.$ The diameters are in the ratio $4 : 1$. Densities of the materials are in the ratio $1 : 2$. If the lower frequency in the setting is 360 Hz. the beat frequency when the two wires are sounded together 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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• The phase difference between two points separated by 1m in a wave of frequency 120 Hz is ${{90}^{o}}$. The wave velocity is

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