A) 7 days
B) 14 days
C) 28 days
D) 35 days
Correct Answer: A
Solution :
\[{{t}_{1/2}}=\frac{0.693}{\lambda }\] Half-life period of radioactive disintegration doesn't depend upon amount of radioactive substances. So, half-life period remains same.You need to login to perform this action.
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