1.

If the kinetic energy of an electron in ahydrogen is(e^(2))/(8 pi epsi_(0)r) then its potential energy is.....

Answer»

`(E^(2))/(4pi epsi_(0)r)`
`-(e^(2))/(4pi epsi_(0)r)`
`(e^(2))/(8pi epsi_(0)r)`
`-(e^(2))/(8pi epsi_(0)r)`

SOLUTION :POTENTIALENERGY `=-2XX` kinetic energy
`=-2xx(e^(2))/(8pi epsi_(0)r)`
`=-(e^(2))/(4pi epsi_(0)r)`


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