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If a cast shadow becomes softer and lighter as it moves away from the object, what is the best explanation?

Answer and explanation

Correct answer: प्रकाश स्रोत का आकार और परिवेशी प्रकाश छाया के किनारे को फैला रहे हैं

Shadow edges are controlled by the geometry and size of the light source as well as by reflected or ambient illumination. A broad source allows light rays to reach different parts of the shadow region, so the boundary becomes penumbral and gradually softer; ambient light also lifts the dark value. Hence option D is correct. Paper colour, pencil grade, and the object’s texture do not explain this systematic change in cast-shadow softness.

Related tags

Cast ShadowSoft EdgeAmbient LightLight SourcePencil ShadingDrawing BasicsArt EducationClass 9 Mcq

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