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

  • question_answer
    The magnifying power of a telescope can be increased by    [CPMT 1979]

    A)            Increasing focal length of the system 

    B)            Fitting eye piece of high power 

    C)            Fitting eye piece of low power 

    D)            Increasing the distance of objects 

    Correct Answer: B

    Solution :

               Magnifying power of telescope is \[\frac{{{f}_{o}}}{{{f}_{e}}},\] so as \[\frac{1}{{{f}_{e}}}\] increases, magnifying power increases.


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