Official Answer Key & Detailed Solution
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Correct Answer: Option (C) — 6500 K
Concept & Option Breakdown
Standard Reference VerifiedCommercial fluorescent tubes specify correlated color temperature (CCT) in Kelvin. Standard daylight fluorescent tube lights produce cool white illumination around 6500 K (standard illuminant D65).
Standard daylight tube lights are rated at 6500 K (Kelvin scale of color temperature).
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