For blue Suns to appear, the size of the suspended particles must be ____.
A)shorter than infrared wavelengths
B)similar to ultraviolet wavelengths
C)shorter than the primary wavelengths of visible light
D)similar to the primary wavelengths of visible light

Question

Quizplus · Accepted Answer

For blue suns to appear, the size of the suspended particles must be similar to the primary wavelengths of visible light. This is because the scattering of light by particles that are about the same size as the wavelength of visible light can cause unusual optical effects, such as making the sun appear blue.

For Blue Suns to Appear, the Size of the Suspended