Atoms and Nuclei Part 1

Section: Physics
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Question : 25 of 100
 
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
1
e2
will be:
[10 Apr 2019 Shift 2]
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