Year: 2021
Topic: Nuclei
Time :
1. The half-life of a radioactive nuclide is 100 h. The fraction of original activity that will remainafter 150 h would be
(1). \(\displaystyle \frac{1}{2}\)
(2). \(\displaystyle \frac{1}{2 \sqrt{2}}\)
(3). \(\displaystyle \frac{2}{3}\)
(4). \(\displaystyle \frac{2}{3 \sqrt{2}}\)