Optics - Light Quiz

The sun provides energy in the form of light through a process called ________  _______.  It occurs when two atoms that naturally repelled each other are pulled together by  a superior force and the atoms fuse together. 

Nothing moves faster than the speed of ____________.

A _________________ object is one that produces light.

A _______________ object is one that reflects light.

•Unlike heat and sound energy which requires a _________________  (a physical substance) to move, light does not.

•Light is classified as an ___________________    ____________________.

White light is not a single colour; it is made up of a mixture of the _________ colours of the rainbow.