Physics
You are given a disc divided into seven sectors with colours violet, indigo, blue, green, yellow, orange and red in them. What would be its color when it is rotated rapidly?
Reflection of Light
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Answer
The disc appears white when rotated rapidly. The reason is that seven colours violet, indigo, blue, green, yellow, orange and red are the constituent colours of white light. When these colours are combined they produce the white colour effect.
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