waves

Related Questions

• A wave represented by the given equation $y=a\cos (kx-\omega \,t)$ is superposed with another wave to form a stationary wave such that the point $x = 0$ is a node. The equation for the other wave is

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• The equation of a stationary wave is $y=0.8\cos \,\left( \frac{\pi x}{20} \right)\sin 200\,\pi t$, where x is in cm and t is in sec. The separation between consecutive nodes will be

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• If the phase difference between the two wave is $2\pi$ during superposition, then the resultant amplitude is

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• A source of sound of frequency n is moving towards a stationary observer with a speed S. If the speed of sound in air is V and the frequency heard by the observer is ${{n}_{1}}$, the value of ${{n}_{1}}/n$ is

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• A source of frequency 150 Hz is moving in the direction of a person with a velocity of 110 m/s. The frequency heard by the person will be (speed of sound in medium = 330 m/s)

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