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A vehicle - with a horn of frequency n is movingwith a velocity of 30 m/s in a direction perpendicular tothe straight line joining the observer and the vehicle.The observer perceives the sound to have a frequency n+ n1Then (if the sound velocity in air is 300 m/s)[1998]

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A vehicle - with a horn of frequency n is movingwith a velocity of 30 m/s in a direction perpendicular tothe straight line joining the observer and the vehicle.The observer perceives the sound to have a frequency n+ n1Then (if the sound velocity in air is 300 m/s)[1998]






 
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