Question

The half-life of radioactive Radon is 3.8 days. The time at the end of which $\frac{1}{16}th$ of the Radon sample will remain undecayed is (given $lo{g}_{10}e=0.4343$).

• A. 13.8 days
• B. 15.2 days
• C. 33 days
• D. 76 days

Answer 1

The correct option is B

15.2 days

It takes four half lives.