LIGHT

ray of light that hits a surface

candles, matches and electric lamps are an example of _____________ light.

a nonluminous sources

do not allow any light to pass through them.

Primary source of natural light on Earth.

is the angle between the incident ray and the normal.

luciferin is a chemical that causes fireflies to appear luminous. This source of light is called

Objects that produce unnatural light.

a transparent optical element with flat and polished surfaces that disperse light.

objects that allow light to pass through them

partly allow light to pass through them.

formed when an opaque object blocks the light of another object.

why does the flash lightning appears before the roar of thunder is heard?

is the angle between the reflected ray and the normal.

produce and emit natural light. Their bodies have luciferin, a chemical the causes them to appear luminous.