Question:
Radioactive material 'A' has decay constant '8λ' and material 'B' has decay constant 'λ'. Initially they have same number of nuclei. After what time, the ratio of number of nuclei of material 'B' to that 'A' will be \(\frac 1e\) ?
Radioactive material 'A' has decay constant '8λ' and material 'B' has decay constant 'λ'. Initially they have same number of nuclei. After what time, the ratio of number of nuclei of material 'B' to that 'A' will be \(\frac 1e\) ?
Updated On: Apr 23, 2026
- \(\frac 1λ\)
- \(\frac {1}{7λ}\)
- \(\frac {1}{8λ}\)
- \(\frac {1}{9λ}\)
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The Correct Option is B
Solution and Explanation
The correct option is (B): \(\frac {1}{7λ}\).
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