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The electric potential between a proton ...

The electric potential between a proton and as electron is given by `V= V_(0) ln (r )/(r_(0))` , where`r_(0)` is a constant . Assuming Bohr's model to be applicable , write variation of `r_(n)` with `n,n` being the principal quantum number ?

A

`r_npropn`

B

`r_nprop1//n`

C

`r_npropn^2`

D

`r_nprop1//n^2`

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