NEET Physics Nuclei Questions Solved


The half-life of a sample of a radioactive substance is 1 hour. If 8×1010 atoms are present at t = 0, then the number of atoms decayed in the duration t = 2 hour to t = 4 hour will be
(a) 2×1010          (b) 1.5×1010
(c) Zero               (d) Infinity

To view Explanation, Please buy any of the course from below.
Complete Question Bank + Test Series
Complete Question Bank

Difficulty Level: