Nuclei

Question: The decay constant of a radioactive element is $1.5 \times {10^{ - 9}}$ per second. Its mean life in seconds will be

1) $1.5 \times {10^9}$

2) $4.62 \times {10^8}$

3) $6.67 \times {10^8}$

4) $10.35 \times {10^8}$

Solution:

Explanation: No Explanation

Radioactivity Modern Physics

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