Q. For normal reading the illumination level required is around (Solved)
1. 20-40 lumens/m2
2. 60-100 lumens/m2
3. 200-300 lumens/m2
4. 400-500 lumens/m2
- b. 60-100 lumens/m2
1. 20-40 lumens/m2
2. 60-100 lumens/m2
3. 200-300 lumens/m2
4. 400-500 lumens/m2