The visible part of light consists of the following colours: A. red, indigo, infra-red, violet, yellow, green and blue B. red, green, blue, violet, indigo, orange and yellow C. blue, ultra-violet, infra-red, red, yellow, indigo, violet, green and orange, D. infra-red and ultra-violet E. red, orange, yellow, green, blue, indigo and infra-red.
ANSWER: Option B
R – Red
O – Orange
Y – Yellow
G – Green
B – Blue
I – Indigo
V – Violet
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