SSC JE Electrical Engineering 24 Jan 2018 Morning Paper

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Question : 183 of 199

Marks: +1, -0

The illumination level in houses is in the range

10 – 20 lumen/m $^{2}$
30 – 50 lumen/m $^{2}$
40 – 75 lumen/m $^{2}$
100 – 140 lumen/m $^{2}$

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