NEET Physics Nuclei Questions Solved


The radioactivity of an element becomes 164th of its original value in 60 seconds. Then the half value period is

(1) 5 sec              (2) 10 sec            (3) 20 sec            (4) 30 sec

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

Difficulty Level: