A 4 A source of sound S is travelling at 100 3 m s along a

Last updated: 6/21/2023

A 4 A source of sound S is travelling at 100 3 m s along a road towards a point A When the source is 3 m away from A a person standing at a point O on a road perpendicular to AS hears a sound of frequency The distance of O from A at that time is 4 m If the original frequency is 640 Hz then the value off is velocity of sound is 340 m s a 620 Hz b 680 Hz c 720 Hz d 840 Hz 0 100 3m 3 4 m ms