rays from the radioactive isotope, cobalt - 60, are used in killing cancer cells.

Alpha

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Beta

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Gamma

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Solution

The correct option is C Gamma
Radiotherapy is a process in which radiation emitted from radioactive isotopes is used to kill or eliminate cancer cells and tumours in human body. Particularly, gamma rays from the cobalt - 60 isotope is used to cure cancer, because they are the most energetic and have the most penetrating power among the three types of radiation.

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Similar questions

The radioactive isotope used in the treatment of cancer is:

(a) plutonium-239

(b) arsenic-74

(d) iodine-131

Give one use each of the following radioactive isotopes :

(a) Uranium-235

(b) Cobalt-60

γ

_{27}^{60} C o ⟶_{28}^{60} N i +_{- 1}^{0} e + γ

α, β

γ

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