The radioisotope, tritium [ _ 1 ^ 3 H ] has a half-life of 12.3 years. If the initial…
Physics · NEET · NTA Exams — Atoms and Nuclei
The radioisotope, tritium \(\left[{ }_{1}^{3} \mathrm{H}\right]\) has a half-life of 12.3 years. If the initial amount of tritium is 32 mg, how many milligrams of it would remain after 49.2 years?
- 4 mg
- 8 mg
- 1 mg
- 2 mg
Answer
(D) 2 mg
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