JAMB - Physics (1978 - No. 37)
The visible part of light consists of the following colours
red, indigo, infra-red, violet, yellow, green and blue
red, green, blue, violet, indigo, orange and yellow
blue, ultra-violet, infra-red, red, yellow, indigo, violet,green and orange
infra-red and ultra-violet
red, orange, yellow, green, blue, indigo and infra-red
Forklaring
The visible colors of white light is given by the acronym: ROYGBIV which stands for Red, Orange, Yellow, Green, Blue, Indigo and Violet.