Answer the following question given this paragraph: 

wavelength : The distance between two crests of a wave of light. The color of light is related to its wavelength. This is inversely proportional to frequency.


Q: The distance between two crests of a wave of light is referred to as what, which is related to the color of light?

 Choices:

- magnitude

- spectrum

- bandwidth

- wavelength

A:
wavelength
