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Two radioactive elements P and Q have decay constants 21λ0 and λrespectively. If initially they have same number of nuclei, then after time 110λ0 the ratio of undecayed nuclei of P to undecayed nuclei of Q is

दो रेडियोएक्टिव तत्वों P तथा Q के क्षय नियतांक क्रमशः 21λ0 तथा λ0 हैं। यदि प्रारम्भ में इनमें नाभिकों की संख्या समान हो, तो 110λ0 समय बाद P के अक्षयित नाभिकों तथा Q के अक्षयित नाभिकों का अनुपात है

A
1e
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B
1e2
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C
1e4
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D
e2
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Solution

The correct option is B 1e2
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