In which condition is it necessary to distinguish local colour from shading on a form?
Answer and explanation
Correct answer: When light and shadow create different values on a red ball
The governing concept is the difference between local colour and tonal value. Local colour means the colour associated with the object itself, such as the red surface of a ball. Shading is the change in lightness or darkness produced by illumination, surface direction, reflected light, and cast or core shadow. A red ball can therefore remain locally red while its lit area, middle tone, and shadow area appear as different values and may shift slightly in hue. Option A correctly describes the situation in which the distinction matters. Option B denies the presence of a form, option C is irrelevant to observation, and option D is an absolute claim that does not explain the lighting process.
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What is the correct answer to this question?
When light and shadow create different values on a red ball
Why is this the correct answer?
The governing concept is the difference between local colour and tonal value. Local colour means the colour associated with the object itself, such as the red surface of a ball. Shading is the change in lightness or darkness produced by illumination, surface direction, reflected light, and cast or core shadow. A red ball can therefore remain locally red while its lit area, middle tone, and shadow area appear as different values and may shift slightly in hue. Option A correctly describes the situation in which the distinction matters. Option B denies the presence of a form, option C is irrelevant to observation, and option D is an absolute claim that does not explain the lighting process.
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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