How do red and blue light differ from one another?
A) They differ in intensity.
B) They have a different number of photons in each quantum.
C) Their wavelengths are different.
D) They differ in duration.
E) Red is radiant, whereas blue is electromagnetic.

Question

Quizplus · Accepted Answer

Red and blue light differ in their wavelengths. Red light has a longer wavelength (around 620-750 nm) compared to blue light which has a shorter wavelength (around 450-490 nm).

How Do Red and Blue Light Differ from One Another