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ICSE Class 10 Answered

Q.It is observed that during march-past,we hear a drum distinctly from a distance compared to the side drums (i) Name the characteristic of sound associated with the above observation. (ii) Give a reason of the above observation.
Asked by akshushashu123 | 06 Mar, 2019, 10:55: AM
answered-by-expert Expert Answer
Sound coming from distance has higher frequency than the sound coming from side drum.
 
The frequency difference is due to the movement of distant-drum during march past, where as side drum is stationary
 
This is due to doppler effect of sound that related to relative velocity of source of sound and observer.
Answered by Thiyagarajan K | 06 Mar, 2019, 02:22: PM
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