The ratio of loudness sound produced by two sources is 2:3 what is the ratio of amplitude of their vibrations ? Share with your friends Share 2 Apurba Paul answered this The ratio of loudness is the ratio of power of sound and is given byP1P2=23The power is given by the amplitude squared. so we haveP1P2=23=A12A22A1A2=23 10 View Full Answer