Activities of three radioactive substances | NUCLEAR PHYSICS

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JEE MAIN 2020

05-09-2020 S1

Question

Activities of three radioactive substances $\mathrm{A}, \mathrm{B}$ and C are represented by the curves $\mathrm{A}, \mathrm{B}$ and C , in the figure. Then their half-lives $T_{\frac{1}{2}}(A): T_{\frac{1}{2}}(B): T_{\frac{1}{2}}(C)$ are in the ratio

Select the correct option:

A

2 : 1 : 3

B

4 : 3 : 1

C

2 : 1 : 1

D

3 : 2 : 1

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