b 6 c 9 d Zero a 3 66 A stationary sound source of frequency

Last updated: 6/9/2023

b 6 c 9 d Zero a 3 66 A stationary sound source of frequency 334 Hz and a stationary observer O are placed reflecting surface shown in figure Velocity of sound waves in air v 330 moving away from the source with velocity 2m s as m s The apparent frequency of echo is OS a 332 Hz b 326 Hz 2 m s c 334 Hz d 330 Hz 12 F toward is 330 m s standing behind 256 330 325 256 a b 256 256x330 325 256x33 325 C d 11 Doppler s