Question

Which best describes what happens when light traveling through air enters water at an angle?

O It moves along straight lines in air and changes direction when it enters water.
O It moves in a curve in air and moves in straight lines when it enters water.
O It moves along straight lines in air and continues along the same lines when it enters water.
O It moves in a curve in air and continues moving in the same curve when it enters water.

Answer 1

It moves along straight lines in air and changes direction when it enters water.