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MGIMS WARDHA MGIMS WARDHA Solved Paper-2007

  • question_answer
    What is the half-life of\[_{6}{{C}^{14}},\]if its disintegration constant is\[2.31\times {{10}^{-4}}y{{r}^{-1}}\]?

    A) \[0.3\times {{10}^{4}}yr\]                            

    B) \[0.3\times {{10}^{3}}yr\]

    C) \[0.3\times {{10}^{8}}yr\]                            

    D) \[0.3\times {{10}^{2}}yr\]

    Correct Answer: A

    Solution :

                    \[{{t}_{1/2}}=\frac{0.693}{k}\] \[=\frac{0.693}{2.31\times {{10}^{-4}}}\] \[=0.3\times {{10}^{4}}yr\]


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