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Other contributors have said "Are fluorescent tubes luminous?" is the same question as "Are fluorescent lights luminous or non-luminous?". If you believe that these are not asking the same thing and should be answered differently, click here.

Are fluorescent lights luminous or non-luminous?

Answer:

The word "luminous" means giving off light. Naturally, fluorecent lights (when turned on) are luminous, that is their purpose.

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