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Derive an expression for the radius of n...

Derive an expression for the radius of `n^(th)` Bohr’s orbit in Hydrogen atom.

A

`(in_(0) n^(2) h^(2))/(pi me^(2))`

B

`(n^(2) h^(2))/(in_(0) pi me^(2))`

C

`(pi me^(2))/(in_(0) n^(2) h^(2))`

D

`n^(2) h^(2)`

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The correct Answer is:
A
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