Answer:
C. perpendicular to one another and perpendicular to the direction of wave propagation.
Explanation:
An Electromagnetic wave (EM wave) is a wave having both electric and magnetic components in it. These wave radiates electromagnetic energy while propagating through the space. The electric and magnetic field component of the wave have an angle of 90° to each other aming them perpendicular while they both are perpendicular to the direction of wave propagation as well.
Some examples of EM waves are: UV rays, IR radiation, Radio waves etc. These waves propagate at the speed of light in vacuum.
In an electromagnetic wave in free space, the electric and magnetic fields are: C. perpendicular to one another and perpendicular to the direction of wave propagation.
What is an electromagnetic wave?
An electromagnetic wave can be defined as a type of wave that do not require any medium for its propagation and as such, it can travel through a free (empty) space or vacuum.
Example of an electromagnetic wave:
Light energy is a typical example of an electromagnetic wave because it can easily move through a free (empty) space or vacuum.
Generally, an electromagnetic wave comprises both electric and magnetic field waves. For an electromagnetic wave in free space, both the electric and magnetic fields are perpendicular to one another and perpendicular to the direction in which the electromagnetic wave is propagated.
Read more on electromagnetic wave here: https://brainly.com/question/23460034
