waves

Related Questions

• At what temperature velocity of sound is double than that of at 0°C

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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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• The beats are produced by two sound sources of same amplitude and of nearly equal frequencies. The maximum intensity of beats will be ............. that of one source

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• A motor car blowing a horn of frequency 124 vib/sec moves with a velocity 72 km/hr towards a tall wall. The frequency of the reflected sound heard by the driver will be (velocity of sound in air is 330 m/s)

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• The intensity of sound increases at night due to

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