waves

Related Questions

• The equation of a longitudinal wave is represented as $y=20\cos \pi (50t-x)$. Its wavelength is

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• Two sinusoidal waves with same wavelengths and amplitudes travel in opposite directions along a string with a speed 10 m/s. If the minimum time interval between two instants when the string is flat is 0.5 s, the wavelength of the waves is

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• Which one of the following does not represent a travelling wave

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• The temperature at which the speed of sound in air becomes double of its value at ${{27}^{o}}C$ is

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• An organ pipe ${{P}_{1}}$ closed at one end vibrating in its first overtone and another pipe ${{P}_{2}}$ open at both ends vibrating in its third overtone are in resonance with a given tuning fork. The ratio of lengths of ${{P}_{1}}$ and ${{P}_{2}}$ is

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