A plane electromagnetic wave of wavelength `lambda` has an intensity I.
Channel: Doubtnut
Date: 03/01/2020

A plane electromagnetic wave of wavelength `lambda` has an intensity I. It is propagating along the positive Y-direction. The allowed expression for the electric and magnetic fields ar given by : `vecE=sqrt((2I)/(in_(0)c))cos[(2pi)/(lambda)(y-ct)]hatk`,