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Why is it generally incorrect if a cast shadow edge is soft near the object and hard farther away?

Answer and explanation

Correct answer: The penumbra can generally increase with distance

The governing concept is the penumbra, or partially lit region around a cast shadow. With a broad light source, shadow rays spread as they travel away from the object, so the transition usually becomes softer and wider farther from the object. Option D is correct because it explains why the near edge can be relatively firm while the distant edge becomes diffuse. The other options do not describe light behavior or shadow softness.

Related tags

Pencil ShadingCast ShadowPenumbraEdge SoftnessDrawing BasicsArt EducationClass 9 Mcq

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