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What type of edge forms when light changes gradually across a rounded surface?

Answer and explanation

Correct answer: Soft edge

The governing concept is the relationship between light transition and edge quality. On a rounded surface, the planes turn gradually away from the light, so the boundary between lighter and darker values is blended rather than sharply cut. Option C, a soft edge, is correct. A hard edge suggests an abrupt boundary, a broken edge is interrupted, and an outer contour is merely a boundary line, not the gradual tonal transition described here.

Related tags

Soft EdgeRounded FormTonal TransitionPencil ShadingDrawing BasicsArt EducationClass 9 Mcq

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