There are seven members of electromagnetic family. The order of electromagnetic waves in the spectrum is shown in the table below.

Electromagnetic waves travel at 300,000,000 metres per second (m/s) through a vacuum. Often a phrase is used to help remember the order of the groups of the electromagnetic spectrum such as Roman ...

Light, heat, radio transmissions, and medical X-rays may not seem all that similar, yet they are all forms of electromagnetic radiation—waves moving through space (not just outer space ...