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    5. Lux is the SI unit of -

    Question

    Lux is the SI unit of

    -
    A intensity of illumination Correct Answer Incorrect Answer
    B luminous efficiency Correct Answer Incorrect Answer
    C luminous flux Correct Answer Incorrect Answer
    D luminous intensity Correct Answer Incorrect Answer

    Solution

    The SI unit of intensity of illumination (illuminance) is the lux. An illuminance of 1.0 lux is produced by 1.0 lumen of light shining on an area of 1.0 m2.

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