The magnetic field in a plane electromagnetic wave is given by .

PHYSICS · Multi-part · CBSE · Physics · Electromagnetic Waves · Electromagnetic Waves

Problem

The magnetic field in a plane electromagnetic wave is given by

B_y=2\times10^{-7}\ \text{T}\sin\!\left(0.5\times10^3x+1.5\times10^{11}t\right)

. (a) What are the wavelength and frequency of the wave? (b) Write an expression for the electric field.