The decay constant of 
(electron capture to 
) is 1.8 × 10 –4 s –1 .
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
Sol. Given :-
Decay Constant of 
Half-life, 
Average life, 
Number of active nuclei of mercury at 
Active nuclei of mercury left after conversion of 
isotope of mercury into gold 
Now , 
Here,
Number of inactive nuclei
Number of nuclei at 
Disintegration constant
On substituting the values, we get
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