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 - 2

• question_answer1) An object is located in a fixed position in front of a screen. Sharp image is obtained on the screen for two positions of a thin lens separated by 10 cm. The size of the images in two situations are in the ratio 3 : 3. What is the distance between the screen and the object?   [JEE Main Online Paper ( Held On 11 Apirl  2014 )
  A)
  124.5 cm                             
  done clear
  B)
  144.5 cm
  done clear
  C)
  65.0 cm                                
  done clear
  D)
  99.0 cm
  done clear
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• question_answer2) In a compound microscope the focal length of objective lens is 1.2 cm and focal length of eye piece is 3.0 cm. When object is kept at 1.25 cm in front of objective, final image is formed at infinity. Magnifying power of the compound microscope should be:   [JEE Main Online Paper ( Held On 11 Apirl  2014 )
  A)
  200        
  done clear
  B)
  100
  done clear
  C)
  400                                        
  done clear
  D)
  150
  done clear
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