waves

Related Questions

• A standing wave is represented by $Y=A\sin (100t)\cos (0.01x)$ where $Y$ and $A$ are in millimetre, $t$ is in seconds and $x$ is in metre. The velocity of wave is

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• If the ratio of amplitude of two waves is 4 : 3. Then the ratio of maximum and minimum intensity will be

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• Two tuning forks have frequencies 450 Hz and 454 Hz respectively. On sounding these forks together, the time interval between successive maximum intensities will be

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• The phase difference between two points separated by 0.8 m in a wave of frequency 120 Hz is ${{90}^{o}}$. Then the velocity of wave will be

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• An observer moves towards a stationary source of sound, with a velocity one-fifth of the velocity of sound. What is the percentage increase in the apparent frequency

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