Bece Model Questions Vol1 2023 Cultural And Creative Arts Question 5

Practice practical question 5 from the 2023 Bece Model Questions Vol1 Cultural And Creative Arts examination. This question covers Colour Theory .

Bece Model Questions Vol1 2023 Cultural And Creative Arts Practical
Topic: Colour Theory
Question 5 BECE_MODEL_QUESTIONS_VOL1 • 2023 • CULTURAL_AND_CREATIVE_ARTS • practical

A student is investigating the mixing of primary paints to obtain orange paint. The student uses red and yellow paints and records the hue number of the resulting mixture on a standard colour chart (scale 0–100, where 0 = pure red, 50 = pure orange, 100 = pure yellow). The total volume of paint in each mixture is kept constant at 50 ml. The following experimental data are obtained: - Mix 30 ml red with 20 ml yellow → hue number 45. - Mix 25 ml red with 25 ml yellow → hue number 48. Using this information, answer the questions below.

Question Parts

( a )
Assuming a linear relationship between the hue number (H) and the volume of red paint (R) when the total volume is 50 ml, derive the equation that relates H to R.
( b )
Using the equation obtained in part (a), calculate the volume of red paint required to achieve a hue number of exactly 50 (pure orange). Give your answer to one decimal place.
( c )
The student now wishes to prepare 200 ml of orange paint at the same hue. Determine the volumes of red and yellow paint required, stating each volume to one decimal place.
( d )
Identify two possible sources of error that could affect the hue number obtained in the experiment and suggest one method to minimise each error.

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About This Question

This is Bece Model Questions Vol1 2023 Cultural And Creative Arts Question 5. It is one of the practical questions from the 2023 Bece Model Questions Vol1 Cultural And Creative Arts examination.

The question covers Colour Theory .

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