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A radioactive isotope having a half life...

A radioactive isotope having a half life of 3 days was received after 12 days. It was found that there were 3 gm of the isotopes in the container. The initial weight of the isotope when packed was a)12 gm b)24gm c)36 gm d)48 gm

A

12 g

B

24 g

C

36 g

D

48 g

Text Solution

Verified by Experts

The correct Answer is:
D
`n = (12)/(3) = 4 `
`therefore N_0 = N xx 2^n = 3 xx 2^4 = 48 g `
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