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Why do different planes of a cube show different tones?

Answer and explanation

Correct answer: They face the light at different angles

Different planes of a cube face the light source at different angles. A plane turned more toward the light receives more illumination and appears lighter, while a plane turned away receives less light and appears darker. This variation of value helps the viewer understand the cube’s three-dimensional form. The paper, pencil, or local colour does not automatically change between planes. Therefore, option B is correct.

Related tags

Pencil ShadingCubePlanesLight AngleTonal DrawingDrawing BasicsArt EducationClass 9 Mcq

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