Q.

For normal reading the illumination level required is around 

  • A20 – 40 lumens/sq. metre
  • B60 – 100 lumens/sq. metre
  • C200 – 300 lumens/sq. metre
  • D400 – 500 lumens/sq. metre
Correct Answer : (B)

60 – 100 lumens/sq. metre

Hints :

For normal reading the illumination level required is around 60 – 100 lumens/sq. metre.

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