Solved papers for JEE Main & Advanced JEE Main Paper (Held On 11 April 2014)

done JEE Main Paper (Held On 11 April 2014) Total Questions - 1

• question_answer1) A stair-case of length l rests against a vertical wall and a floor of a room. Let P be a point on the stair-case, nearer to its end on the wall, that divides its length in the ratio 1 : 2. If the stair-case begins to slide on the floor, then the locus of P is:   [JEE Main Online Paper ( Held On 11 Apirl  2014 )
  A)
  an ellipse of eccentricity\[\frac{1}{2}\]
  done clear
  B)
  an ellipse of eccentricity\[\frac{\sqrt{3}}{2}\]
  done clear
  C)
  a circle of radius\[\frac{1}{2}\]
  done clear
  D)
   a circle of radius\[\frac{\sqrt{3}}{2}l\]
  done clear
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