Question
Question: The half life of radioactive radon is \(3.8\) days the time at the end of which \((1/20)^{th}\) of r...
The half life of radioactive radon is 3.8 days the time at the end of which (1/20)th of radon sample will remain undecayed (Given log 10e=0.4343)is
A
3.8 days
B
16.5 days
C
33 days
D
76 days
Answer
16.5 days
Explanation
Solution
: 16.5days