waves

Related Questions

• Fundamental frequency of sonometer wire is $n$. If the length, tension and diameter of wire are tripled, the new fundamental frequency is

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• The wavelength is 120 cm when the source is stationary. If the source is moving with relative velocity of 60 m/sec towards the observer, then the wavelength of the sound wave reaching to the observer will be (velocity of sound = 330 m/s)

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• The displacement $y$ (in cm) produced by a simple harmonic wave is $y=\frac{10}{\pi }\sin \left( 2000\pi t-\frac{\pi x}{17} \right)$. The periodic time and maximum velocity of the particles in the medium will respectively be

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• A man sitting in a moving train hears the whistle of the engine. The frequency of the whistle is 600 Hz

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• At nodes in stationary waves

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