Comparing Wavelengths – Radio to Gamma
Comparing Wavelengths - Radio to Gamma
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About the diagram
About the diagram
- This diagram compares the wavelength of four electromagnetic waves and arranges them according to their position within the electromagnetic spectrum.
- Radio waves are shown at the top. They have the longest wavelength of the four types. These waves are shown as dull red. They are invisible to the human eye.
- Red has the longest wavelength of the visible part of the electromagnetic spectrum.
- Violet has the shortest wavelength of the visible part of the electromagnetic spectrum.
- Gamma rays are shown at the bottom. They have the shortest wavelength of the four types. These waves are shown as a dull violet. They are invisible to the human eye.
- The unit of measurement of wavelength is the metre.
- When the wavelength of electromagnetic waves is very short, metres are sub-divided into micrometres, nanometres and picometres.
- When the wavelength of electromagnetic waves is long, metres are converted into kilometres.
- The position of an electromagnetic wave within the electromagnetic spectrum is determined by its wavelength (or frequency).
- The electromagnetic spectrum includes, in order of decreasing wavelength and increasing frequency: radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays and gamma rays.
- The electromagnetic spectrum includes, in order of the increasing size of wavelength and decreasing frequency: gamma rays, X-rays, ultraviolet radiation, visible light, infrared radiation, microwaves and radio waves.
- The electromagnetic spectrum includes all possible wavelengths of electromagnetic radiation, ranging from low energy radio waves through visible light to high energy gamma rays.
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