Question

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• Write any four applications of radioisotopes.

Answer 1

Answer:

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The application of radioisotopes in tracing, radiography, food preservation and sterilization, eradication of insects and pests, medical diagnosis and therapy, and new variety of crops in agricultural field is briefly described.

Answer 2

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1. Carbon 14 Is used To estimate the age of old Specimen of wood and others carbonacious materials of historical Importance . The technique is called carbon Dating .
2. Cobalt-60 is used in the treatment of cancer
3. Radioactive 1-131 is used to check the working of thyroid gland and in the treatment of goitre
4. Na 24 is used in the study of Circulation of blood in the body
5. P-32 istope finds Useful application In the field of Agriculture
6. U-235 is sued as a fuel in nuclear reactors