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Discussion :: GATE Architecture and Planning

  1. A room of size 100 m2 is illuminated by 10 lamps of 40 W having a luminous efficacy of 50 lm/W. 
    If utilization factor is 0.5, at a working height of 90 cm above the floor level, the illumination in lux would be
    2. A.
    100
    B.
    200
    C.
    500
    D.
    1000

    View Answer

    Workspace

    View Answer

    Answer : Option A

    Explanation :

    -NA-

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