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Find the electric protential energy of e...

Find the electric protential energy of electron-proton system of hydrogen atom.(Given, the radius of electron orbit =0.53 A, electronic charge = `1.6 xx 10 ^(-19C`)

A

`-24.17 eV`

B

`-20.18 eV`

C

36.55 eV

D

None of these

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