1
VITEEE 2022
MCQ (Single Correct Answer)
+4
-1
The half-life period of a radioactive element '$$X$$' is same as the mean life time of another radioactive element '$$Y$$'. Initially, both of them have the same number of atoms, then
2
VITEEE 2022
MCQ (Single Correct Answer)
+4
-1
Which of the following isotopes is used to treat cancer?
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