waves

Related Questions

• A string vibrates according to the equation $y=5\sin \,\left( \frac{2\pi x}{3} \right)\,\,\cos \,20\,\pi t$, where x and y are in cm and t in sec. The distance between two adjacent nodes is

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• The frequencies of two sound sources are 256 Hz and 260 Hz. At t = 0, the intensity of sound is maximum. Then the phase difference at the time t = 1/16 sec will be

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• A person carrying a whistle emitting continuously a note of 272 Hz is running towards a reflecting surface with a speed of 18 km/hour. The speed of sound in air is $345m{{s}^{-1}}$. The number of beats heard by him is

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• If the phase difference between the two wave is $2\pi$ during superposition, then the resultant amplitude is

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• The fundamental note produced by a closed organ pipe is of frequency $f.$ The fundamental note produced by an open organ pipe of same length will be of frequency

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