Multiple choice

How many colours does the sunlight spectrum have?

  1. Four

  2. Five

  3. Three

  4. Seven

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The visible spectrum of sunlight contains seven colors traditionally remembered by ROYGBIV - Red, Orange, Yellow, Green, Blue, Indigo, and Violet. These represent the range of wavelengths visible to the human eye, from longest (red) to shortest (violet).