WONDER #2617: Why Can't We See Ultraviolet Light?

Question 1 of 3

What was the main idea of this Wonder?

  1. The human eye can see light with wavelengths between 380 and 700 nanometers.
  2. Many animals can see ultraviolet light.
  3. Most humans cannot see ultraviolet light because it has a shorter wavelength than violet light, putting it outside of the visible spectrum.
  4. Many types of light come to the Earth from the Sun, and most are absorbed by the atmosphere.

Question 2 of 3

A person who is missing an eye lens and can see ultraviolet light has a condition called _____________.

  1. uvoria
  2. aphakia
  3. nearsightedness
  4. ultralight vision

Question 3 of 3

Which color of light has the longest wavelength visible to humans?

  1. Red
  2. Yellow
  3. Orange
  4. Green

Check your answers online at https://wonderopolis.org/wonder/Why-Can’t-We-See-Ultraviolet-Light.