एक रेडियो एक्टिव पदार्थ का क्षय-नियतांक 5.2 x 10-3 प्रति वर्ष है। उसकी अर्ध-आयु क्या होगी?
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एक रेडियो एक्टिव पदार्थ का क्षय-नियतांक 5.2 x 10-3 प्रति वर्ष है। उसकी अर्ध-आयु क्या होगी? Or, Ek Radio Active Padarth Ka Kshay Niyatank 5.2 x 10-3 Prativarsh Hai. Uski Ardh Aayu Kya Hogi?

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Solutions : अर्ध आयु (T1/2) = 0.693/λ = 0.693/5.2 × 10-3 = 0.693 × 103/5.2 = 0.1332 × 103 = 133.2 year

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