Which of the following has more luminous efficiency? Options: A . &nbsp40 W bulb B . &nbsp40 W fluorescent tube C . &nbsp100 W bulb D . &nbspNone of these

Which of the following has more luminous efficiency?

Question

Which of the following has more luminous efficiency?

Options:

A . 40 W bulb

B . 40 W fluorescent tube

C . 100 W bulb

D . None of these

Answer: Option B

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