JEE Main & Advanced Physics Ray Optics Sample Paper Topic Test - Refraction of Light Through Curved Surfaces

  • question_answer
    A convex lens is placed in contact with a mirror as shown. If the space between them is filled with water, its power will

    A) decrease

    B) increase

    C) remain unchanged

    D) increase or decrease depending of the foe length

    Correct Answer: A

    Solution :

    [a] The power of the given system is a combination of the positive power of the convex lens, negative power of the plane mirror. Clearly, the power of the system decreases.

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