1.

The force acting on the electron in a hydrogen atom depends on the principal quantum number asA. `F prop n^(2)`B. `F prop (1)/(n^(2))`C. `F prop n^(4)`D. `F prop (1)/(n^(4))`

Answer» Correct Answer - D
`F = (m v^(2))/( r)`
But `v prop (1)/(n) and r prop n^(2)`
`implies F prop (1)/(n^(4))`


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