Radiation is a mode of energy transfer of electromagnetic waves without a medium from "summary" of Physics 11 by British Columbia. Schools Department. Curriculum Development Branch
Radiation is a mode of energy transfer that does not require a medium through which to travel. Unlike conduction and convection, which involve the transfer of energy through material substances, radiation can occur in a vacuum. This means that electromagnetic waves can travel through empty space. The key characteristic of radiation is that it is carried by electromagnetic waves, which consist of oscillating electric and magnetic fields. These waves can travel through a vacuum at the speed of light, allowing energy to be transferred over long distances without the need for a physical medium to carry it. One c...
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