Luminous efficiency of a fluorescence lamp is
A. 70 lumens / watt.
B. 60 lumens / watt.
C. 40 lumens / watt.
D. 30 lumens / watt.
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Answer: C
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Luminous efficiency of a fluorescence lamp is
A. 70 lumens / watt.
B. 60 lumens / watt.
C. 40 lumens / watt.
D. 30 lumens / watt.
Answer: C
Share your understanding of this question with the correct explanation.