Multiple choice

Which of the following lights travels the fastest in a transparent medium?

  1. Red

  2. Violet

  3. Blue

  4. Bwon

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

In a transparent medium, the speed of light is inversely proportional to the refractive index. Red light has the longest wavelength and experiences the least refraction, meaning it travels the fastest.