92 Waves 43 A train blowing its whistle moves with const

Last updated: 6/14/2023

92 Waves 43 A train blowing its whistle moves with const speed on a straight track towards observer a then crosses him If the ratio of difference betwe the actual and apparent frequencies be 3 2 in two cases then the speed of train is v is spe of sound 1 3 2v 3 1 3 N 4 3v 2 44 A man is standing on a railway platform listen