defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Physics Nuclear Physics Radioactivity

एक रेडियोधर्मी नाभिक की अर्ध आयु T1/2 और क्षय स्थिरांक λ किस प्रकार संबंधित हैं?

1
\(T_{1/2} = \frac{\lambda}{2.303}\)
2
\(T_{1/2} = \frac{0.693}{λ}\)
3
\(T_{1/2} = \frac{2.303}{λ}\)
4
\(T_{1/2} = \frac{ln\:2\lambda}{e^{-2\lambda}}\)
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