Solved papers for JEE Main & Advanced JEE Main Paper (Held On 9 April 2014)

done JEE Main Paper (Held On 9 April 2014) Total Questions - 1

• question_answer1) If OB is the semi-minor axis of an ellipse, \[{{F}_{1}}\] and \[{{F}_{2}}\] are its foci and the angle between \[{{F}_{1}}B\]and \[{{F}_{2}}B\] is a right angle, then the square of the eccentricity of the ellipse is:   [JEE Main Online Paper ( Held On 09 Apirl  2014  )
  A)
  (a)\[\frac{1}{2}\]             
  done clear
  B)
  \[\frac{1}{\sqrt{2}}\]
  done clear
  C)
  \[\frac{1}{2\sqrt{2}}\]                   
  done clear
  D)
  \[\frac{1}{4}\]
  done clear
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