2. Questions Bank
  3. JEE Main & Advanced
  4. Physics
  5. Ray Optics

JEE Main & Advanced Physics Ray Optics Question Bank Microscope and Telescope

  • question_answer
    Four lenses of focal length + 15 cm, + 20cm,    + 150cm and + 250 cm are available for making an astronomical telescope. To produce the largest magnification, the focal length of the eye-piece should be  [CPMT 2001; AIIMS 2001]

    A)            + 15 cm                                   

    B)            + 20 cm

    C)            +150 cm                                 

    D)            + 250 cm

    Correct Answer: A

    Solution :

               For largest magnification focal length of eye lens should be least.


You need to login to perform this action.
You will be redirected in 3 sec spinner