Electromagnetic spectrum: A spectrum of frequencies or wavelengths of electromagnetic radiation divided into 7 sections.
Electromagnetic waves: A wave produced by the acceleration of electric charge. It is transverse, so it oscillates perpendicular to the direction of energy travel.
Gamma rays: The highest frequency, and shortest wavelength on the electromagnetic spectrum.
Infrared: Waves with a lower frequency than visible light, but higher than microwaves.
Microwaves: Waves with a lower frequency than infrared, but higher than radio waves.
Radio waves: Waves with the lowest frequency, and longest wavelength found on the electromagnetic spectrum.
Ultraviolet (U.V.): Waves with a higher frequency than visible light, but lower than x-rays.
Visible light: Found in the middle of the electromagnetic spectrum, visible light is the light and colours we can see, split into 7 colours: red, orange, yellow, green, blue, indigo, violet.
X-rays: Waves with a higher frequency than U.V., but lower than gamma rays.
All of my notes for my 2018 IGCSEs, in an attempt at motivating myself to do work.
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