Q. Which of these types of electromagnetic radiation has the lowest energy?
Solution:
Electromagnetic radiation (EM radiation or EMR) refers to the waves of the electromagnetic field, propagating through space, carrying electromagnetic radiant energy. It includes radio waves, microwaves, infrared, (visible) light, ultraviolet, X-rays, and gamma rays. All of these waves form part of the electromagnetic spectrum.
Electromagnetic waves can be polarized, reflected, refracted, diffracted or interfere with each other.
In order from highest to lowest energy, the sections of the EM spectrum are named: gamma rays, X-rays, ultraviolet radiation, visible light, infrared radiation, and radio waves. Microwaves are a subsection of the radio wave segment of the EM spectrum.
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