Question: A 5 5 W 5 A 2 5 cm fluorescent tube produces 4 5 0 lm . What is the illuminance of the floor of

A 55W 5 A 25 cm fluorescent tube produces 450 lm . What is the illuminance of the floor of \(2\mathrm{~m}^{2}\) room, assuming \(30\%\) overall efficiency and uniform illumination?
A 5 5 W 5 A 2 5 cm fluorescent tube produces 4 5

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