New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    SI unit of luminous intensity is   

    .
    A lumen Correct Answer Incorrect Answer
    B lux Correct Answer Incorrect Answer
    C candela Correct Answer Incorrect Answer
    D watt Correct Answer Incorrect Answer

    Solution

    Luminous intensity is a measure of the wavelength-weighted power emitted bya light source in a particular direction per unit solid angle, based on the luminosity function, a standardized model of the sensitivity of the human eye. The SI unit of luminous intensity is the candela (cd).

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