Question:
A whistle producing sound waves of frequencies 9500 HZ and
Last updated: 6/26/2023
A whistle producing sound waves of frequencies 9500 HZ and above is approaching a stationary person with speed v ms The velocity of sound in air is 300 ms If the person can hear frequencies upto a maximum of 10 000 HZ the maximum value of v upto which he can hear whistle is a 15 2 ms c 15 ms 1 15 2 b PHIGONV 1 ms d 30 ms 1