JEE Main 10 Apr 2019 Paper 2 Solved Paper

Section: Physics

Question : 7 of 90

Marks: +1, -0

Two radioactive substances A and B have decay constants5λ and λ respectively. At t=0, a sample has the same number of the two nuclei. The time taken for the ratio of the number of nuclei to become

will be:

[10 Apr 2019 Shift 2]

1
4λ
2
λ
1
λ
1
2λ

Validate

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