The half-life period of element 
is same as the mean life time of element 
. Assume initially 
and 
have same number of atoms. Then
A
Initially 
and 
have same decay rates
and have same decay rates B
Always 
and 
decay at same rate
and decay at same rate C
decays faster than 
D
decays faster than 
Text Solution
Verified by ExpertsThe correct answer is:
C
For element 
,
For element 
,
Hence, 
will decay faster rate than 
.
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