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Beat Frequency

ntA band play...

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ntA band playing music at a frequency f is moving towards a wall at a speed Vb.A motorist is following the band with a speed Vm.If V be the speed of the sound,the expression beat frequency heard by motorist isn

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Q. A band playing music at frequency f is moving towards a wall at a speed

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Q. A band playing music at frequency f is moving towards a wall at a speed

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