what is mean by radiation
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Radiation is energy that comes from a source and travels through space and may be able to penetrate various materials. ... The kinds of radiation are electromagnetic (like light) and particulate (i.e., mass given off with the energy of motion). Gamma radiation and x rays are examples of electromagnetic radiation.
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Radiation is energy that comes from a source and travels through space at the speed of light. This energy has an electric field and a magnetic field associated with it, and has wave-like properties. You could also call radiation“electromagnetic waves”.
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