Bece Model Questions Vol1 2019 Cultural And Creative Arts Question 5

Practice practical question 5 from the 2019 Bece Model Questions Vol1 Cultural And Creative Arts examination. This question covers Colour Theory, Mixing of Primary Pigments, Complementary Colours, Sources of Experimental Error .

Bece Model Questions Vol1 2019 Cultural And Creative Arts Practical
Topics: Colour Theory Mixing of Primary Pigments Complementary Colours Sources of Experimental Error
Question 5 BECE_MODEL_QUESTIONS_VOL1 • 2019 • CULTURAL_AND_CREATIVE_ARTS • practical

A student in the Cultural and Creative Arts practical class is given the following materials: - 100 ml of pure white base paint (no colour). - Three primary pigments: red, blue and yellow, each supplied in separate containers. - A graduated cylinder marked in millilitres. The task is to produce a target paint colour whose hue lies exactly halfway between the traditional RYB primary hues of blue (240°) and yellow (60°) on the colour wheel. This hue corresponds to a pure green at 150°. The student must use the pigments to prepare 200 ml of the target colour and then answer the questions that follow.

Question Parts

( a )
State the proportion (by volume) of the blue and yellow pigments required to obtain the target green hue, assuming the mixing of pigments is linear with respect to hue angle. Indicate the proportion of red pigment needed.
( b )
Calculate the exact volume (in millilitres) of each pigment that must be added to the white base to obtain 200 ml of the target colour.
( c )
Identify two possible sources of error that could affect the accuracy of the colour produced and suggest one practical way to minimise each error.
( d )
Explain how the concept of complementary colours can be used to convert a portion of the prepared green paint into a neutral grey.

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About This Question

This is Bece Model Questions Vol1 2019 Cultural And Creative Arts Question 5. It is one of the practical questions from the 2019 Bece Model Questions Vol1 Cultural And Creative Arts examination.

The question covers Colour Theory, Mixing of Primary Pigments, Complementary Colours, Sources of Experimental Error .

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