IIT JEE Advanced 2008 Paper 2

Section: Physics

Question : 9 of 66

Marks: +1, -0

A radioactive sample S1 having an activity of 5 μCi has twice the number of nuclei as another sample S2 which has an activity of 10 μCi. The half- lives of S1 and S2 can be

[JEE Adv 2008 P2]

20 years and 5 years, respectively.
20 years and 10 years, respectively.
10 years each.
5 years each.

Validate

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