The half-life period of a radioactive substance is 5 min. The amount of substance decayed…
Physics · JEE Main · NTA Exams — Atoms and Nuclei
The half-life period of a radioactive substance is 5 min. The amount of substance decayed in 20 min. will be
- 93.75%
- 75%
- 25%
- 6.25%
Answer
(A) 93.75%
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