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Why is the tonal difference between the planes of a cube more distinct?

Answer and explanation

Correct answer: Flat planes receive light at different angles

The governing concept is how plane orientation affects value. A cube is made of flat faces that meet at definite angles. When light strikes these faces, each plane reflects a different amount of light, so one may appear light, another middle-valued, and another dark. Thus option B is correct. The cube is not always black, it can have shadows, and the paper does not create the essential tonal separation.

Related tags

Cube ShadingPlanesLight AngleValue ChangePencil ShadingDrawing BasicsArt EducationClass 9 Mcq

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