Solved papers for JEE Main & Advanced JEE Main Paper (Held On 26 May 2012)

done JEE Main Paper (Held On 26 May 2012) Total Questions - 1

• question_answer1) A telescope of aperture \[3\times {{10}^{-2}}m\] diameter is focused on a window at 80 m distance fitted with a wire mesh of spacing \[2\times {{10}^{-3}}m\]. Given:\[\lambda =5.5\times {{10}^{-7}}m,\]which of the following is true for observing the mesh through the telescope?   JEE Main Online Paper (Held On 26-May-2012)  
  A)
   Yes, it is possible with the same aperture size.
  done clear
  B)
  Possible also with an aperture half the present diameter.
  done clear
  C)
  No, it is not possible.
  done clear
  D)
  Given data is not sufficient.
  done clear
  View Answer play_arrow