waves

Related Questions

• A source of sound S is moving with a velocity 50m/s towards a stationary observer. The observer measures the frequency of the source as 1000 Hz. What will be the apparent frequency of the source when it is moving away from the observer after crossing him ? The velocity of sound in the medium is 350 m/s

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• A transverse wave is described by the equation $Y={{Y}_{0}}\sin 2\pi \left( ft-\frac{x}{\lambda } \right)$. The maximum particle velocity is four times the wave velocity if

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• At what speed should a source of sound move so that stationary observer finds the apparent frequency equal to half of the original frequency

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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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• A sound source of frequency 170 Hz is placed near a wall. A man walking from a source towards the wall finds that there is a periodic rise and fall of sound intensity. If the speed of sound in air is 340 m/s the distance (in metres) separating the two adjacent positions of minimum intensity is

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