Atoms and Nuclei Part 1

Section: Physics

Question : 42 of 100

Marks: +1, -0

At some instant, a radioactive sample S1 having an activity 5µCi has twice the number of nuclei as another sample S2 which has an activity of 10µCi. The half lives of S1 and S2 are:

[Main 16 April 2018 S1]

20 years and 5 years, respectively
20 years and 10 years, respectively
5 years and 20 years, respectively
10 years and 20 years, respectively

Validate

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