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    Question

    Lambert's law is related

    to–
    A Reflection Correct Answer Incorrect Answer
    B Refraction Correct Answer Incorrect Answer
    C Interference Correct Answer Incorrect Answer
    D Illumination Correct Answer Incorrect Answer

    Solution

    In optics, Lambert's cosine law says that the radiant intensity or luminous intensity observed from an ideal diffusely reflecting surface or ideal diffuse radiator is directly proportional to the cosine of the angle between the observer's line of sight and the surface normal. The law is also known as the cosine emissionlaw or Lambert's emissionlaw.

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