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JEE MAIN 2022
27-7-22 S1
Question
What is the half-life period of a radioactive material if its activity drops to $1 / 16^{\text {th }}$ of its initial value of 30 years?
Select the correct option:
A
9.5 years
B
8.5 years
C
7.5 years
D
10.5 years
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Question Tags
JEE Main
Physics
Easy
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