waves

Related Questions

• When a tuning fork produces sound waves in air, which one of the following is same in the material of tuning fork as well as in air

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• Apparatus used to find out the velocity of sound in gas is

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• The speed of sound in air at a given temperature is 350 m/s. An engine blows whistle at a frequency of 1200 cps. It is approaching the observer with velocity 50 m/s. The apparent frequency in cps heard by the observer will be

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• A source of sound and listener are approaching each other with a speed of 40 m/s. The apparent frequency of note produced by the source is 400 cps. Then, its true frequency (in cps) is (velocity of sound in air = 360 m/s)

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• A wave of frequency 500 Hz has velocity 360 m/sec. The distance between two nearest points 60° out of phase, is

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