How can light appear to spread in mainly a few rays (e.g: 2,4)?
96397
Optical explanation of images of stars?
111506
Is it possible for light sources in Cycles to have nonphysical falloff like in BI?
79629
What would diffraction of a macroscopic object look like?
84971
Photoelectric effect, low frequency light
108540
Why does light in a room not form constructive and destructive interference patterns?
88401
How is the amplitude of light related to number of photons?
138493
How does light oscillate?
123588
What causes these streaked rays from light sources?
52389
Why does a CD work as a diffraction grating even with light from a light bulb?
127351
Why can we only "see" reflected light?
90147
Do light experience Doppler shift along and against frame dragging?
11130
Is it (theoretically) physically possible to project an image into thin air?
155392
When deriving $d\sin\theta=n\lambda$ are the light rays approximately parallel or actually parallel?
97032
Does light accelerate or slow down during reflection?
72913
Why does a light wave fade as it travels through space?
91300
Does light loses its energy when it passes through denser medium?
53448
Do bigger focal lengths capture more light?