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  •  If m and e are the mass and charge of the revolving electron in the orbit of radius r  for hydrogen atom, the total energy of the    revolving electron will be :&nb

 If m and e are the mass and charge of the revolving electron in the orbit of radius r  for hydrogen atom, the total energy of the   
revolving electron will be :                                                    

 

Option: 1

\frac{1}{2}\frac{e^{2}}{r}


Option: 2

-\frac{e^{2}}{r}


Option: 3

\frac{me^{2}}{r}


Option: 4

-\frac{1}{2}\frac{e^{2}}{r}


Answers (1)

best_answer

As learned in concept

For an hydrogen atom

z=1

Potential energy in hydrogen atom , PE=\frac{-e^2}{r}

Kinetic energy in hydrogen atom, KE=\frac{1}{2}\times \frac{-e^2}{r}

\therefore Total \:energy PE+KE=\frac{1}{2}\times \frac{-e^2}{r}

Posted by

Sanket Gandhi

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