NEET Physics Nuclei Questions Solved


The activity of the radioactivity element decreases to one-third of the original activity A0 in a period of 7 years. After a further lapse of 7 years, its activity will be

a.  A0  

b.  23A0  

c.  A06  

d.  A09

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

Difficulty Level: