A plane electromagnetic wave travels through vacuum with a peak electric field…

PHYSICS · Subjective · AP · Physics 2: Algebra-based · Waves Sound and Physical Optics · Waves Sound and Physical Optics

Problem

A plane electromagnetic wave travels through vacuum with a peak electric field amplitude of

200\,\text{V\,m}^{-1}

. (a) Find the corresponding peak magnetic field amplitude. (b) Determine the average energy density of this wave in free space.