This is a quiz for week 4. You are expected to do your own work, but you may use class reference material. True False Choose true or false for each question by clicking the correct button. Red sunsets are caused by diffraction. An infrared photon is more energetic than an ultraviolet photon.
Crepuscular rays result from scattering.
Cumulus clouds are optically thick. Non luminous objects are visible due to refraction. Planets are prone to scintillation while stars are not. Mie Scattering 1. The property by which all non luminous objects may be seen.