Why radiation doesn't require any medium …
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Meghna Thapar 5 years, 6 months ago
Radiation does not require a medium in which the energy needs to transmit through. Solar radiation warming the Earth's surface is an example. Radiation is heat radiated in the form of rays or waves. This energy transfer occurs via waves that do not require a medium through which to travel. All physical substances in solid, liquid, or gaseous states can emit energy via a process of electromagnetic radiation because of vibrational and rotational movement of their molecules and atoms. The radiation occurs at all temperatures, with the rate of emission increasing with the temperature.
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