What happens when light waves travel from air through a denser medium?
a
They will speed up and bend.
b
They continue to travel in a straight line.
c
They continue to travel in a zigzag line.
d
They will slow down and bend.
a
They will speed up and bend.
b
They continue to travel in a straight line.
c
They continue to travel in a zigzag line.
d
They will slow down and bend.