if `E=E_(0)sin(kz-omegat)` and `B=B_(0)(kz-omegat)` are electric and magnetic field produced by an e
Channel: Doubtnut
Date: 2020-01-26

if `E=E_(0)sin(kz-omegat)` and `B=B_(0)(kz-omegat)` are electric and magnetic field produced by an electromagnetic wave travelling in +z direction in a medium. Then if `eta=(E_(0))/(B_(0))`, then the value of `eta` is `[mu`=permeability of a medium `epsilon=`permittivity of medium]