waves

Related Questions

• Equation of motion in the same direction is given by ${{y}_{1}}=A\sin (\omega t-kx)$, ${{y}_{2}}=A\sin (\omega t-kx-\theta )$. The amplitude of the medium particle will be

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• An observer is moving towards the stationary source of sound, then

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• A whistle revolves in a circle with an angular speed of 20 rad/sec using a string of length 50 cm. If the frequency of sound from the whistle is 385 Hz, then what is the minimum frequency heard by an observer, which is far away from the centre in the same plane ? (v = 340 m/s)

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• The equation of progressive wave is $y=a\sin (200\,t-x)$. where $x$ is in meter and $t$ is in second. The velocity of wave is

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• When two sound waves with a phase difference of $\pi /2$, and each having amplitude A and frequency $\omega $, are superimposed on each other, then the maximum amplitude and frequency of resultant wave is

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