Solved papers for JEE Main & Advanced JEE Main Paper (Held On 12 April 2014)

done JEE Main Paper (Held On 12 April 2014) Total Questions - 1

• question_answer1) 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:   [JEE Main Online Paper ( Held On 12 Apirl  2014 )
  A)
  \[\frac{1}{2}\frac{{{e}^{2}}}{r}\]                               
  done clear
  B)
  \[-\frac{{{e}^{2}}}{r}\]
  done clear
  C)
  \[m{{e}^{2}}\]                                  
  done clear
  D)
  \[1\,{{e}^{2}}\]
  done clear
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