The half-life of a radio-isotope is four hours. If the initial mass of the isotope was…
Physics · NEET · NTA Exams — Atoms and Nuclei
The half-life of a radio-isotope is four hours. If the initial mass of the isotope was 200 g, the mass remaining after 24 h undecayed is:
- 1.042 g
- 2.084 g
- 3.125 g
- 4.167 g
Answer
(C) 3.125 g
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