Optical Lenses | MCQs

    Q1: Image formed by a bi-convex lens is ______?

    تصویری بائیو ایکس لینس کے ذریعہ تشکیل کردہ تصویر ______ ہے؟
    • A. Virtual
    • B. None of these
    • C. Infinite
    • D. Real

    Q2: Long sighted person is corrected in the lens

    • A. Cylindrical
    • B. none of these
    • C. convex
    • D. Concave

    Q3: A point where the incident parallel rays of light converge or appear to diverge after passing through a lens is called______________?

    • A. optical center
    • B. center of curvature
    • C. aperture
    • D. focus
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