Blue light differs from red light in that
A)blue light has a higher energy than red light.
B)blue light has a lower energy than red light.
C)blue light has a shorter wavelength than red light.
D)blue light has a longer wavelength than red light.
E)More than one of the other choices are correct.

Question

Quizplus · Accepted Answer

Blue light has a higher energy and a shorter wavelength than red light, making both choices A and C correct. The energy of light is inversely proportional to its wavelength; thus, shorter wavelengths (like those of blue light) correspond to higher energies.

Blue Light Differs from Red Light in That