A plane electromagnetic wave propagates in the –direction

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

Problem

A plane electromagnetic wave propagates in the

+x

–direction. At a particular instant the magnetic field at a point in space is

3.0\times10^{-6}\,\text{T}

in the

+z

–direction. Which of the following gives the instantaneous direction of the electric field at that point? (a)

-y

–direction (b)

+z

–direction (c)

+y

–direction (d)

+x

–direction