NEET Physics Nuclei Questions Solved


If a radioactive substance reduces to 116 of its original mass in 40 days, what is its half-life 
(a) 10 days            (b) 20 days
(c) 40 days            (d) None of these

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

Difficulty Level: