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A sample containing same number of two nuclei A and B start decaying . The decay constant of A and B are 10λ and λ.

+1 vote

asked Mar 28, 2019 in JEE by kratos

A sample containing same number of two nuclei A and B start decaying. The decay constant of A and B are 10λ and λ. The time after which NA/NB become 1/e is

(1) 1/9λ

(2) 1/18λ

(3) 2/9λ

(4) 3/19λ

jee advanced 2019
jee
jee mains 2019
jee mains
class-12
atoms
nuclei

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1 Answer

+5 votes

answered Jul 20, 2020 by kratos

Best answer

Correct option (1) 1/9λ

Explanation:

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