12th Class Physics Ray Optics Question Bank MCQs - Ray Optics and Optical Instruments

  • question_answer
    ________ mirror has real focus.

    A) Concave

    B) Convex

    C) Plane

    D) all of the above

    Correct Answer: A

    Solution :

    Option [a] is correct. Explanation: In concave mirror, parallel rays after reflection from the mirror actually meet at a point. This point is known is focus. Hence the focus is real.


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