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Mention any three applications of radio ...

Mention any three applications of radio isotopes.

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(i) Radio phosphorus is used in agriculture to determine the kind of phosphate required for a given soil and crop.
(ii) Radio-iodine is used in the treatment of over active thyroid glands.
(iii) Radio-cobalt is used in the treatment of over active thyroid glands. Other applications:
(iv) Radio-carbon is used to estimate the age of fossils and archaeological specimens.
(v) Radio-cobalt is used to detect flaws in the rubber tyres and metal castings.
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