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Why does a highlight appear more broken on a rough surface than on a glossy surface?

Answer and explanation

Correct answer: Rough micro-surfaces scatter light in many directions

The governing concept is the interaction of light with surface texture. A glossy surface has relatively aligned microscopic planes, so reflected light can form a concentrated, continuous highlight. A rough surface has many differently angled micro-surfaces; each reflects light in a different direction, breaking the highlight into smaller, irregular patches. Option A is correct. Roughness does not block all light, and glossy surfaces can produce strong highlights, so B and C are false.

Related tags

Rough SurfaceHighlightLight ScatteringTextureMaterial RenderingPaper CraftCraft WorkArt Education

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