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Discovery

X-RAY is a kind of electromagnetic radiation found by Wilhelm Conrad Röntgen on 8 November 1895.

Radiation

Teh energy flow unstable atom or the nucleus of on atom.

• Unit indicates amount of radioactivity material

* One Bq is defined as the activity of a quantity of radioactive material in which one nucleus decays per second.

Radiation Source

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  RI means material that can generate radiation actively and continuosly

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  RG coverts electricity to radioactive