Activity radioactive material|NUCLEAR PHYSICS|JEEMain-2022

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JEE MAIN 2022

27-07-2022 - S2

Question

The activity of a radioactive material is $6.4 \times 10^{-4}$ curie. Its half life is 5 days. The activity will become $5 \times 10^{-6}$ curie after :

Select the correct option:

A

7 days

B

15 days

C

25 days

D

35 days

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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