The wave function (in `S.I unit`) for an electromagnetic wave is given as- `psi(x,t)=10^(3)
Channel: Doubtnut
Date: 09/02/2020

The wave function (in `S.I unit`) for an electromagnetic wave is given as- `psi(x,t)=10^(3)sinpi(3xx10^(6)x-9xx10^(14)t)` The speed of the wave is