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CMC Medical CMC-Medical Ludhiana Solved Paper-2014

  • question_answer
    The diameter of objective of a telescope is 1 m. Its resolving limit for the light of wavelength 4538\[\overset{\text{o}}{\mathop{\text{A}}}\,\], will be

    A)  \[5.54\times {{10}^{-7}}\text{rad}\]      

    B)  \[2.54\times {{10}^{-4}}\text{rad}\]

    C)  \[6.54\times {{10}^{-7}}\text{rad}\]     

    D)  None of these

    Correct Answer: A

    Solution :

                    Resolving limit \[dQ=\frac{1.22\,\lambda }{a}\]\[=\frac{1.22\times 4538\times {{10}^{-10}}}{1}\]\[=5.54\times {{10}^{-7}}\text{rad}\]


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