In an Electromagnetic Wave,the Electric and Magnetic Fields Are Oriented

Multiple Choice

In an electromagnetic wave,the electric and magnetic fields are oriented such that they are

A) parallel to one another and perpendicular to the direction of wave propagation.
B) parallel to one another and parallel to the direction of wave propagation.
C) perpendicular to one another and perpendicular to the direction of wave propagation.
D) perpendicular to one another and parallel to the direction of wave propagation.