NEET Physics Nuclei Questions Solved


Atomic weight of boron is 10.81 and it has two isotopes 5 B and 5 B. Then, the ratio of atoms of 3 B and 5 B in nature would be (a) 19:81 (c) 15 16 10 10 (b) 10 11 (d) 81 19 [1998]
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