EAMCET Engineering 2009 Solved Paper

Section: Physics

Question : 35 of 160

Marks: +1, -0

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 X1 to that of X2 will be 1∕e after a time

(1∕10λ)
1∕(11λ)
11∕(10λ)
1∕(9λ)

Validate

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