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How may a neutral grey surface appear under warm light?

Answer and explanation

Correct answer: With a yellowish or orange warm cast

The governing concept is colour perception under illumination. A neutral grey surface reflects the colour of the light falling on it, so warm lighting can make the grey appear yellowish, orange, or otherwise warmer than it looks under neutral light. The surface does not become black, and it will not necessarily remain unchanged. A blue appearance would be more consistent with cool illumination.

Related tags

Warm LightGrey SurfaceColour PerceptionIlluminationWarm And Cool ColoursColour TheoryArt EducationClass 9 Mcq

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