waves

Related Questions

• An open tube is in resonance with string (frequency of vibration of tube is n0). If tube is dipped in water so that 75% of length of tube is inside water, then the ratio of the frequency of tube to string now will be

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• Which of the following statements is wrong

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

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• The path difference between the two waves ${{y}_{1}}={{a}_{1}}\sin \,\left( \omega t-\frac{2\pi x}{\lambda } \right)$ and ${{y}_{2}}={{a}_{2}}\cos \,\left( \omega t-\frac{2\pi x}{\lambda }+\varphi \right)$ is

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• Two sound sources when sounded simultaneously produce four beats in 0.25 second. the difference in their frequencies must be

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