1.

According to classical physics, potential energy of electron moving in circular orbit of radius r is………

Answer»

`-(1)/(4piin_(0)).(ZE^(2))/(r)`
`-(1)/(8piin_(0)).(Ze^(2))/(r)`
`-(1)/(4pi).(Ze^(2))/(r)`
`(1)/(8piin_(0)).(Ze^(2))/(r)`

Solution :Potential energy,
`U=(1)/(4piin_(0)).(q_(1)q_(2))/(r)impliesU=(1)/(4piin_(0)).((Ze)(-E))/(r)`
`:.U=-(1)/(4piin_(0)).(Ze^(2))/(r)`


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