JEE Advanced 2008 Physics question

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

(A)20 years and 5 years, respectivelyCorrect
(B)20 years and 10 years, respectively
(C)10 years each
(D)5 years each

Answer: (A)

Solution

Activity A = λN. With : $ = = =

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-037628