For normal reading the illumination level required is around
A. 20-40 lumens/m2
B. 60-100 lumens/m2
C. 200-300 lumens/m2
D. 400-500 lumens/m2
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Answer: B
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For normal reading the illumination level required is around
A. 20-40 lumens/m2
B. 60-100 lumens/m2
C. 200-300 lumens/m2
D. 400-500 lumens/m2
Answer: B
Share your understanding of this question with the correct explanation.