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EAMCET Medical EAMCET Medical Solved Paper-1998

  • question_answer
    A simple microscope has a focal length of 5 cm. The magnification at the least distance of distinct vision is:

    A)  2                                            

    B)  5

    C)  4                                            

    D)  6

    Correct Answer: D

    Solution :

                     The magnification of simple microscope when image is formed at least distance of distinct of vision is given by \[m=1+\frac{D}{f}\]\[\left( \begin{align}   & \text{Given: focal length = 5cm} \\  & \text{least distance of distinct vision = 25cm} \\ \end{align} \right)\]        \[=1+\frac{25}{5}\]= 6


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