A band playing music at a frequency f is...

A band playing music at a frequency `f` is moving towards a wall at a speed `v_(b)`. A motorist is following the band with a speed `v_(m)`. If `v` is the speed of sound, obtain an expression for the beat frequency heard by the motorist.

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A band playing music at a frequency f is moving towards a wall at a speed v_(b) . A motorist is following the band with a speed v_(m) . If the speed of sound, obtain an expression for the beat frequency heard by the motorist.

A band playing music at a frequency f_(0) is moving towareds a wall at a speed v_(0) . A motorist is following the band with a speed v_(m) . If v be the speed of the sound the expression for beat frequency heard by motorist is

A car moves towards a hill with speed v_(c) .It blows a horn of frequency f which is heard by an observer following the car with speed s .The speed of sound in air is v . find frequency heard by the observer.

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A source of sound is moving towards a high wall with a speed of 20 m/s. The frequency of the sound produced by the source is 400 Hz. If the speed of the sound is 340 m/s, then the beat frequency heard by a person standing near the wall will be

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