If a source of sound waves is rapidly approaching a person,the sound heard by th

Question

If a source of sound waves is rapidly approaching a person,the sound heard by the person appears to have (a) a frequency higher than the original frequency (b) a period higher than the oringinal period (c) an amplitude lower than the original amplitude (d) a pitch lower than the original pitch If a source of sound waves is rapidly approaching a person,the sound heard by the person appears to have (a) a frequency higher than the original frequency (b) a period higher than the oringinal period (c) an amplitude lower than the original amplitude (d) a pitch lower than the original pitch

Explanation / Answer

(a) a frequency higherthan the original frequency (b) a period higher than the oringinal period (c) an amplitude lower than the original amplitude (d) a pitch lower than the original pitch This is because of the Doppler Effect

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