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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-6

  • question_answer
    'Lumen' is the unit of        

    A) Illurriinance      

    B) Brightness               

    C) Luminous flux  

    D)  Luminous intensity           

    Correct Answer: C

    Solution :

     The lumen is the SI derived unit of luminous flux, a measure of the total "amount" of visible light emitted by a source.


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