Thermionic Emission and Radioactivity — Physics STD 10 — Question
ICSE BoardEnglish MediumSTD 10PhysicsThermionic Emission and Radioactivity2 Marks
Question
What is mean by background radiation?
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Answer
Background radiations are the radioactive radiations to which we all are exposed even in the absence of an actual visible radioactive source. It total does is not very large, so it oes not cause any serious biological damage to us.
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