NEET Physics Nuclei Questions Solved


Atomic weight of boron is 10.81 and it has two isotopes B105 and B115. Then ratio of B105:B115  in nature would be 
(a) 19 : 81                  (b) 10 : 11
(c) 15 : 16                  (d) 81 : 19

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

Difficulty Level: