Question

Light waves come in many different varieties, and can be seen as many different colors. What is the main difference between a light wave that produces the color blue, and a light wave that produces the color red?

Answer 1

The wavelength

Step-by-step explanation:

Each wavelength is perceived by our eyes as a different color. The shorter wavelengths of visible light are violet — we might call them purple. ... For example, insects can see ultraviolet waves — waves just before purple on the electromagnetic spectrum.

Answer 2

The difference is the wavelength of the light waves.