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What may cause paper to bend after applying poster colour?

Answer and explanation

Correct answer: Applying too much water in one area

The governing material concept is uneven moisture absorption. If one area receives too much water, its paper fibres absorb more moisture and expand more than the surrounding areas. As drying occurs, the unequal expansion and contraction can bend or buckle the sheet, so option A is correct. A thin, even layer and fixing paper to a board usually reduce warping; covering the paint container does not bend the paper.

Related tags

Poster ColourPaper WarpingWater ControlPainting TechniquesArt EducationClass 9 Mcq

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