Question

Electromagnetic waves can transfer energy without which of the following?

A. Medium.
B. Electric field.
C. Magnetic field.
D. Change in either a magnetic or an electric field.

Answer 1

Electromagnetic waves can transfer energy without the use of a medium. Because of this, the waves are able to be sent through a large distance of space. Each wave can be programmed with different information such as those used to communicate with the U.S Space Station.

Answer 2

The correct answer is A. Electromagnetic waves can transfer energy without a medium. Heat can be transferred through a vacuum only via radiation. Infrared waves are electromagnetic waves that does not require a medium to travel. Heat is transferred in a vacuum in the form of infrared waves.