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AMU Medical AMU Solved Paper-2004

  • question_answer
    In a simple microscope, if the final image is located at 25 cm from the eye placed close to the lens, then the magnifying power is

    A)  \[\frac{25}{f}\]

    B)  \[1+\frac{25}{f}\]

    C)  \[\frac{f}{25}\]                                

    D)  \[\frac{f}{25}+1\]

    Correct Answer: B

    Solution :

                     Magnification of a simple microscope is given by                 \[m=1+\frac{D}{f}\]where D is distance of final image. Given,   D = 25 cm \[\therefore \]  \[m=1+\frac{25}{f}\]


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