Luminous efficiency of a fluorescent tube is
A. 10 lumens/watt
B. 20 lumens/watt
C. lumens/watt
D. 60 lumens/watt
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Answer: D
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Luminous efficiency of a fluorescent tube is
A. 10 lumens/watt
B. 20 lumens/watt
C. lumens/watt
D. 60 lumens/watt
Answer: D
Share your understanding of this question with the correct explanation.