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Non-Ionising Electromagnetic radiation - Optical Radiation

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Final answer:

Non-Ionising Electromagnetic radiation refers to a type of electromagnetic radiation that does not have enough energy to remove electrons from atoms or molecules and ionize them.

Step-by-step explanation:

Non-Ionising Electromagnetic radiation refers to a type of electromagnetic radiation that does not have enough energy to remove electrons from atoms or molecules and ionize them. It includes various forms of radiation such as visible light, ultraviolet (UV) light, infrared (IR) light, and radio waves.

For example, visible light is a type of non-ionising electromagnetic radiation that is responsible for our sense of vision. It has wavelengths ranging from 400 to 700 nanometers (nm) and is able to propagate through air and other transparent materials.

On the other hand, ultraviolet (UV) light has shorter wavelengths than visible light and is responsible for causing sunburns and damaging DNA. Infrared (IR) light has longer wavelengths than visible light and is commonly used in remote controls and thermal imaging technology.

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