SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-22

  • question_answer
    Lens used in camera is -

    A)  Convex           

    B)  Concave

    C)  Spherical                     

    D)  Uniform Thickness

    Correct Answer: B

    Solution :

     Convex lens is used in camera. Convex lens is a converging lens. The camera needs to capture light rays originating from a particular point and converge them to a single point. Concave lens is also known as diverging lens. Concave lens diverge the light rays. These lenses are used to cure hypermetropia.


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