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
jamb 1978physics

The correct answer is B. red, green, blue, violet, indigo, orange and yellow

The visible colors of white light is given by the acronym: ROYGBIV which stands for Red, Orange, Yellow, Green, Blue, Indigo and Violet.

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