32 7 A wave y 10 sin ax bt is reflected from a dence medium

Last updated: 6/27/2023

32 7 A wave y 10 sin ax bt is reflected from a dence medium at an origin If 81 of energy is reflected then the equation of reflected wave is 1 y 8 1 sin ax bt y 9 sin ax bt 2 y 8 1 sin ax bt 4 y 10 sin ax bt