Multiple choice general knowledge

Which of these colours do not appear in the rainbow?

  1. Pink

  2. Red

  3. Indigo

  4. Orange
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The traditional rainbow consists of seven colors: Red, Orange, Yellow, Green, Blue, Indigo, and Violet (ROYGBIV). Pink is not part of the rainbow spectrum because it is not a spectral color - it cannot be produced by a single wavelength of light and requires mixing of red and violet wavelengths.

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