defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Physics Waves Doppler effect
A source of sound of frequency 450 cycles/sec is moving towards a stationary observer with 34 m/sec speed. If the speed of sound is 340 m/sec, then the apparent frequency will be
1
410 cycles/sec
2
500 cycles/sec
3
550 cycles/sec
4
450 cycles/sec