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Which problem may increase if a thick poster colour layer is placed in sunlight for quick drying?

Answer and explanation

Correct answer: Cracking as the surface shrinks too quickly

The governing concept is even drying in poster-colour painting. A thick layer contains more moisture, so strong sunlight may dry the upper surface faster than the lower part. This unequal shrinkage creates internal stress and can produce cracks or lifting. Therefore option A is correct. The other options describe unlikely results: sunlight does not normally make the paint more flexible, strengthen the paper, or automatically level a thick layer. Dry the work gradually in normal air.

Related tags

Poster ColourRapid DryingPaint CrackingPainting TechniquesArt EducationClass 9 Mcq

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