Question

Give the applications of radioisotopes

Answer 1

Applications of radioisotopes-

(i) Radioisotope of carbon i.e., C-14, is used to estimate the age of old specimens of wood and carbonaceous material of historical importance. This technique is called carbon dating.

(ii)Cobalt-60 is used in the treatment of cancer.

(iii) Radioactive I-131 isotope is used to check the working of the thyroid gland and in the thermometer of goiter.

(iv) U-235 is used as a fuel in nuclear reactors.

(v) Radioactive Na- 24 is used in the study of the circulation of blood in the body.

(vi) P-32 isotope finds useful application in the field of agriculture.