waves

Related Questions

• A table is revolving on its axis at 5 revolutions per second. A sound source of frequency 1000 Hz is fixed on the table at 70 cm from the axis. The minimum frequency heard by a listener standing at a distance from the table will be (speed of sound = 352 m/s)

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• The equation of stationary wave along a stretched string is given by $y=5\sin \frac{\pi x}{3}\cos 40\pi t$, where $x$ and $y$ are in cm and $t$ in second. The separation between two adjacent nodes is

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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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• The intensity of sound increases at night due to

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• The superposition takes place between two waves of frequency $f$ and amplitude $a$. The total intensity is directly proportional to

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