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What may happen if too much water is applied to thin paper?

Answer and explanation

Correct answer: The paper may bend or become wavy

The governing concept is the effect of moisture on paper fibres. Thin paper absorbs water and expands; if different areas absorb different amounts, they expand unevenly and the sheet may bend, buckle or become wavy. Excess water does not waterproof the paper, permanently brighten it, or make it genuinely thicker. Using a controlled amount of poster colour and allowing layers to dry helps reduce this problem.

Related tags

Poster ColourWater ControlPaper BucklingPainting TechniquesArt EducationClass 9 Mcq

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