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Ac^(227) has a half-life of 22 years . T...

`Ac^(227)` has a half-life of 22 years . The decays follows two parallel paths

What are the decay constant `(lambda)` for Th and Fr respectively ?
a) 0.03087,0.00063
b) 0.00063,0.03087
c) 0.02,0.98
d) None of these

A

0.03087,0.00063

B

0.00063,0.03087

C

0.02,0.98

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
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