What is the purpose of the inner phosphor coating of the fluorescent tube as shown in figure "A" of the illustration? Illustration EL-0081

Question

Accepted Answer

absorb invisible ultraviolet light and emit visible white light

Answer

absorb visible ultraviolet light and emit invisible white light

Answer

absorb invisible ultraviolet light and emit invisible white light

Answer

absorb visible ultraviolet light and emit visible white light

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