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 - 2

• question_answer1) A diver looking up through the water sees the outside world contained in a circular horizon. The refractive index of water is\[\frac{4}{3},\] and the diver?s eyes are 15 cm below the surface of water. Then the radius of the circle is:
  A)
  \[15\times 3\times \sqrt{5}cm\]              
  done clear
  B)
  \[15\times 3\sqrt{7}cm\]
  done clear
  C)
  \[\frac{15\times \sqrt{7}}{3}cm\]                            
  done clear
  D)
  \[\frac{15\times 3}{\sqrt{7}}cm\]
  done clear
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• question_answer2) The focal lengths of objective lens and eye lens of a Galilean telescope are respectively 30 cm and 3.0 cm. telescope produces virtual, erect image of an object situated far away from it at least distance of distinct vision from the eye lens. In this condition, the magnifying power of the Galilean telescope should be:   [JEE Main Online Paper ( Held On 09 Apirl  2014  )
  A)
  + 11.2                   
  done clear
  B)
  - 11.2
  done clear
  C)
  8.8                                         
  done clear
  D)
  + 8.8
  done clear
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