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AP and TS EAMCET Engineering 2020 Model Paper 3

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Question : 113 of 160
 
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Two radioactive materials X1 and X2 have decay constants 10λ and λ respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of A, to that of X2 will be
1
e
 after a time of
Validate
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