Question

The half-life of a radioactive nuclide is 100 hours. The fraction of original activity that will remain after 150 hours would be

• A. $\frac{2}{3\sqrt2}$
• B. $\frac{1}{2}$
• C. $\frac{1}{2\sqrt2}$
• D. $\frac{2}{3}$

Answer 1

Answer: (C)

$\frac{1}{2\sqrt2}$

Answer 2

The correct answer is option (C) : $\frac{2}{3\sqrt2}$