поп спстве 13. Professor of Delhi University found that some scraps emit high energy radiations which harmed large number of people. There are certain elements like Co-60 which emit radiations at their own and this phenomenon is called radioactivity. There are three kinds of rays. (a) Name the ray which is used to treat cancer. (b) Give the source of y-rays used for treating cancer. (c) Discuss the values not possessed by people disposing off radioactive waste materials.
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a)
Radiation therapy uses high-energy radiation to shrink tumors and kill cancer cells (1). X-rays, gamma rays, and charged particles are types of radiation used for cancer treatment
b)
Gamma rays can kill living cells and damage malignant tumor. The Gamma radiation intensity decreases exponentially with the depth of penetration. They damage the cancerous cells' DNA, causing them to die or reproduce more slowly.
c)
Radioactive waste is not unique to the nuclear fuel cycle. Radioactive materials are used extensively in medicine, agriculture, research.etc.
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