Two radioactive materials A and B have decay constants 10 respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei, of A to that of B will be 1/e after a time : |
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(a) |
(b) |
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(c) |
(d) |
Two radioactive materials A and B have decay constants 10 respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei, of A to that of B will be 1/e after a time : |
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(a) |
(b) |
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(c) |
(d) |
Number of nuclei present at any time t
N = N0
=
t=