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Why may the edge of a cast shadow become softer as it moves away from the object?

Answer and explanation

Correct answer: The shadow boundary becomes less distinct because light spreads

The governing concept is the behaviour of light and shadow. Because a light source has a finite size, rays can spread around the object, producing a penumbra rather than a perfectly sharp boundary. The farther the shadow lies from the object, the wider this transition may become, so option C is correct. Paper texture, object colour, and automatic pencil fading do not explain the optical effect.

Related tags

SketchingCast-ShadowSoft-EdgeLightStill Life DrawingDrawing BasicsArt EducationClass 9 Mcq

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