MPSC PYQScienceSound NumericalenglishBat: f = 30 kHz, v = 350 m/s, echo after 0.6 s. Distance and wavelength?A.105 m, 11.7×10⁻³ mB.220 m, 23×10⁻³ mC.140 m, 11.7×10⁻³ mD.115 m, 23×10⁻³ mCorrect answer: ASource paperScience: Sound (Numerical)Practice more questions