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How Does A Light Ray Travel. Shadow is the dark space behind an opaque object where light does not reach. (a) light reaches the upper atmosphere of earth traveling through empty space directly from the source.

A ray of light travels from a denser medium to a rarer
A ray of light travels from a denser medium to a rarer from www.quora.com

Light always travels in straight lines although its direction can be changed by reflection or refraction. Basically, traveling at incredible speeds (299 792 458 m/s) and at different wavelengths, depending on its energy. There are many types of light, of which the visible spectrum is a small part.

A ray of light travels from a denser medium to a rarer

Light ray travels in a straight line. 3) light rays travel from the light sources to the eye, but the physics is constant under path reversal. In contrast, light waves can travel through a vacuum, and do not require a medium. Light always travels in straight lines although its direction can be changed by reflection or refraction.