The activity of a radioactive material is 2.56 × 10⁻³ Ci. If the half life of the material is 5 days, after how many days the activity will become 2 × 10⁻⁵ Ci ?

Atoms and Nuclei: JEE Main 2022 Physics question

JEE Main 2022 · 29 Jun, Morning shift · Q6115

JEE Main 202229 Jun, Morning shiftPhysicsMediumAtoms and Nuclei183× since 2002

The activity of a radioactive material is 2.56

\times

10^

-

3 Ci. If the half life of the material is 5 days, after how many days the activity will become 2

\times

10^

-

5 Ci ?

JEE Main 2022 · 29 Jun, Morning shift · Q6115

JEE Main 202229 Jun, Morning shiftPhysicsMediumAtoms and Nuclei183× since 2002

The activity of a radioactive material is 2.56

\times

10^

-

3 Ci. If the half life of the material is 5 days, after how many days the activity will become 2

\times

10^

-

5 Ci ?