State the medical use of radioactivity.

1.	State the medical use of radioactivity.
Answer» (i) Radioactive radiations (gamma rays) are used to cure diseases such as cancer etc. (ii) Radio isotopes such as NaCl etc. are used for diagnosis.

Answer»

(i) Radioactive radiations (gamma rays) are used to cure diseases such as cancer etc.

(ii) Radio isotopes such as NaCl etc. are used for diagnosis.

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