waves

Related Questions

• Two vibrating strings of the same material but lengths $L$ and $2L$ have radii $2r$ and $r$ respectively. They are stretched under the same tension. Both the strings vibrate in their fundamental modes, the one of length $L$ with frequency $n_1$ and the other with frequency $n_2$. The ratio $n_1 / n_2$ is given by

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• The relation between phase difference ($\Delta \varphi$) and path difference ($\Delta x$) is

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• At what temperature velocity of sound is double than that of at 0°C

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• A man sets his watch by a whistle that is 2 km away. How much will his watch be in error. (speed of sound in air 330 m/sec)

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• The stationary wave produced on a string is represented by the equation $y=5\cos (\pi x/3)\sin 40\pi t$. Where x and y are in cm and $t$ is in seconds. The distance between consecutive nodes is

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