Two radioactive materials A and B have decay constants 20λ and 5λ respectively. If…

Physics · NEET · NTA Exams — Atoms and Nuclei

1. \(\frac{1}{3 \lambda} \mathrm{sec}^{\circ}\)
2. \(\frac{1}{6 \lambda} \mathrm{sec}\)
3. \(\frac{1}{5 \lambda} \mathrm{sec}\)
4. \(\frac{1}{9 \lambda} \mathrm{sec}\)

Answer

(B) 1 6 sec

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