In which condition will the illusion of form become weak?
Answer and explanation
Correct answer: Every part of the object has the same flat tone
The illusion of form depends on visible differences between light, middle value, and shadow. These changes tell the eye which surfaces face the light, which turn away, and how the object occupies space. If every part of an object is covered with one flat tone, there is no value contrast to describe planes, curvature, or depth; the object therefore appears weak and flat. Option B is correct. A light-and-shadow pattern that agrees with the light source, a consistent cast shadow, and clearly observed edges or planes all strengthen the impression of three-dimensional form. Thus options A, C, and D support form rather than weakening it.
Frequently asked questions
What is the correct answer to this question?
Every part of the object has the same flat tone
Why is this the correct answer?
The illusion of form depends on visible differences between light, middle value, and shadow. These changes tell the eye which surfaces face the light, which turn away, and how the object occupies space. If every part of an object is covered with one flat tone, there is no value contrast to describe planes, curvature, or depth; the object therefore appears weak and flat. Option B is correct. A light-and-shadow pattern that agrees with the light source, a consistent cast shadow, and clearly observed edges or planes all strengthen the impression of three-dimensional form. Thus options A, C, and D support form rather than weakening it.
Which subject and chapter does this question cover?
This is a Class 9 Art Education question. Chapter: Elements of Art. Topic: Form.
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