JEE Main 2016 Question Paper

Section: Physics

Question : 69 of 90

Marks: +1, -0

Half-lives of two radioactive elements A and B are 20 minutes and 40 minutes, respectively. Initially, thesamples have equal number of nuclei. After 80 minutes, the ratio of decayed numbers of A and B nucleiwill be :

[Main 2016]

4:1
1:4
5:4
1:16

Validate

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