Question

    Formationofshadowscanbeexplained by -

    A rectilinear propagation of light Correct Answer Incorrect Answer
    B reflection Correct Answer Incorrect Answer
    C refraction Correct Answer Incorrect Answer
    D total internal reflection Correct Answer Incorrect Answer

    Solution

    Inthisposition,theheadlightwill be atthe principal focussothat the rays of light falling on the concave mirror will be rendered parallel.

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