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In which situation will a cast-shadow edge appear hardest?

Answer and explanation

Correct answer: When the object is close to the surface and the light source is small

Shadow-edge sharpness is governed mainly by the angular size of the light source and the distance between the object and the receiving surface. A small source produces limited penumbra, and a nearby surface leaves less room for the shadow to spread, so the boundary looks crisp. Thus option A is correct. Diffused light makes softer edges, no light produces no visible cast shadow, and rough paper affects drawing texture rather than the physical shadow edge.

Related tags

Cast ShadowHard EdgeLight SourceShadow QualityPencil ShadingDrawing BasicsArt EducationClass 9 Mcq

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