Question

    The mirror used for the head light of a car is –

    A spherical concave Correct Answer Incorrect Answer
    B plane Correct Answer Incorrect Answer
    C cylindrical Correct Answer Incorrect Answer
    D parabolic concave Correct Answer Incorrect Answer

    Solution

    A parabolic (or paraboloid or paraboloidal) reflector(or dish or mirror) is a reflective surface used to collect or project energy such as light, sound, or radio waves.

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