MPSC PYQScienceSound NumericalenglishBullet fired toward cliff 510 m ahead; observer 340 m behind shooter. Echo times heard (v=340 m/s)?A.2 s, 4 sB.3 s, 5 sC.4 s, 5 sD.5 s, 2 sCorrect answer: BSource paperScience: Sound (Numerical)Practice more questions