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DUMET Medical DUMET Medical Solved Paper-2011

  • question_answer
    For a telescope having \[{{f}_{o}}\]as the focal length of the objective and \[{{f}_{e}}\] as the focal length of the eyepiece, the length of the telescope tube is

    A) \[{{f}_{e}}\]

    B) \[{{f}_{o}}-{{f}_{e}}\]

    C) \[{{f}_{o}}\]  

    D) \[{{f}_{o}}+{{f}_{e}}\]

    Correct Answer: D

    Solution :

    Given \[{{f}_{o}}={{f}_{o}}\] and \[{{u}_{e}}={{f}_{o}}\] We know for length of the telescope tube \[L={{f}_{o}}+{{u}_{o}}\] \[L={{f}_{o}}+{{f}_{e}}\]


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