Luminous efficiency of a fluorescence lamp is

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All Questions › Category: Others › Luminous efficiency of a fluorescence lamp is

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Rajasri Mundrathi Staff asked 4 years ago

Options:
a) 70 lumens / watt.
b) 60 lumens / watt.
c) 40 lumens / watt.
d) 30 lumens / watt.

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Rajasri Mundrathi Staff answered 4 years ago

The correct answer is
40 lumens / watt.