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    A lens of large focal length and large aperture is best suited as an objective of an astronomical telescope since:
    Question

    A lens of large focal length and large aperture is best suited as an objective of an astronomical telescope since:

    A.

    A large aperture contributes to the quality and visibility of the images

    B.

    A large area of the objective ensures better light gathering power

    C.

    A large aperture provides a better resolution

    D.

    All of the above

    Correct option is D

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