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Haryana PMT Haryana PMT Solved Paper-2002

  • question_answer
    The diameter of the objective of the telescope is 0.1 m and the wavelength of the light is \[6000\overset{\text{o}}{\mathop{\text{A}}}\,\]. Resolving limit of the telescope will be :

    A)  \[6\times {{10}^{-5}}rad\]          

    B)  \[6\times {{10}^{-4}}rad\]

    C)  \[6\times {{10}^{-3}}rad\]          

    D)  \[6\times {{10}^{-6}}rad\]

    Correct Answer: D

    Solution :

                    Resolving limit of telescope \[=\frac{\lambda }{a}=\frac{6\times {{10}^{-7}}}{0.1}\] \[=6\times {{10}^{-6}}radian\]


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