waves

Related Questions

• Frequency of a sonometer wire is $n$. Now it’s tension is increased 4 times and its length is doubled then new frequency will be

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• Two passenger trains moving with a speed of 108 km/hour cross each other. One of them blows a whistle whose frequency is 750 Hz. If sound speed is 330 m/s, then passengers sitting in the other train, after trains cross each other will hear sound whose frequency will be

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• The following equations represent progressive transverse waves <br>${{Z}_{1}}=A\cos (\omega \,t-kx)$<br> ${{Z}_{2}}=A\cos (\omega \,t+kx)$<br> ${{Z}_{3}}=A\cos (\omega \,t+ky)$ and<br> ${{Z}_{4}}=A\cos (2\omega \,t-2ky)$.<br> A stationary wave will be formed by superposing

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• If two waves having amplitudes $2A$ and $A$ and same frequency and velocity, propagate in the same direction in the same phase, the resulting amplitude will be

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• A stretched string of 1m length and mass $5\times {{10}^{-4}}kg$ is having tension of 20N. If it is plucked at 25cm from one end then it will vibrate with frequency

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