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Class 9 · Art Education
→What happens if the texture of a rough object is sharper than its overall form?
Class 9 · Art Education
→What illusion occurs if grain lines do not change direction while crossing the edge of a wooden cube?
Class 9 · Art Education
→What limitation occurs if wood texture abruptly stops at the light-shadow boundary?
Class 9 · Art Education
→What happens if folds in hanging cloth move in random directions rather than from the support point?
Class 9 · Art Education
→If every fold in thin fabric is drawn broad and heavy, which material might it resemble?
Class 9 · Art Education
→Which cue becomes weak if cloth folds beneath a heavy object do not spread away from it?
Class 9 · Art Education
→What limitation occurs if a round object’s cast shadow continues unchanged when the supporting plane changes direction?
Class 9 · Art Education
→When can a contact shadow appear only on one side of an object?
Class 9 · Art Education
→What problem occurs if a cast shadow is broad near the object but narrows with distance while the light spreads?
Class 9 · Art Education
→What should be checked if a round object has excessive blending in the light area and hard, broken values in the shadow area?
Class 9 · Art Education
→Which relationship is reversed if reflected light is drawn darker than the core shadow?
Class 9 · Art Education
→Which combined relationship determines the position of the core shadow on a round object?
Class 9 · Art Education
→What limitation occurs if the background behind a glass object changes but the clarity of its transparent edges does not change?
Class 9 · Art Education
→What problem occurs if the waterline in a transparent glass is drawn as an ellipse but its two ends are at unequal heights?
Class 9 · Art Education
→Which effect is missed if the submerged part of a pencil is shown straight without displacement?
Class 9 · Art Education
→Why may part of an object seen through a transparent vessel become more distorted near the edge?
Class 9 · Art Education
→What happens if a reflection on a glossy object ends at the contour without any change of form?
Class 9 · Art Education
→What limitation occurs if a dark reflection on metal does not narrow with the surface curvature?
Class 9 · Art Education
→If the highlight on shiny metal is very broad and soft, which surface may it resemble?
Class 9 · Art Education
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