waves

Related Questions

• With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are

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• Beats are produced by two waves ${{y}_{1}}=a\sin 1000\,\pi t,$ ${{y}_{2}}=a\sin 998\pi t$. The number of beats heard/sec is

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• A source of sound of frequency 90 vibrations/ sec is approaching a stationary observer with a speed equal to 1/10 the speed of sound. What will be the frequency heard by the observer

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• The equation of a wave is $y=2\sin \pi (0.5x-200t)$, where $x$ and $y$ are expressed in cm and $t$ in sec. The wave velocity is

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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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