the expression for bohrs radius of an atom is1 r
The expression for Bohr's radius of an atom is:
(1) r= n2h2/ 4 Π 2me4z2
(2) r= n2h2/ 4 Π me2 z2
(3) r= n2h2/4 Π me3
(4) r= n2h2/ 4Π2 me2 z2
Ans: r= n2h2/ 4 Π me2 z2
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