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Why is it necessary to write ratios on secondary-colour samples?

Answer and explanation

Correct answer: To reproduce the same result

The governing concept is reproducible colour mixing. A secondary colour depends on the quantities of its component colours, so writing a ratio such as equal parts or two parts yellow to one part blue records how the sample was made. The artist can then recreate or adjust the same mixture later and compare experiments accurately. Option A is correct; labels do not dry paint, decorate the sheet in any essential way, or reveal brush hardness.

Related tags

Secondary ColoursMixing RatiosSamplesRecord KeepingColour MixingColour TheoryArt EducationClass 9 Mcq

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