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The orbit having Bohr radius equal to 1s...

The orbit having Bohr radius equal to 1st Bohr orbit of H-atom is :

A

`n = 2 "of" He^(+)`

B

n= 2 of `B^(+4)`

C

n = 3 of `Li^(2+)`

D

n = 2 of `Be^(+3)`

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The correct Answer is:
D
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GRB PUBLICATION-ATOMIC STRUCTURE-Bohr s Theory
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