Highest point of a wave
crest
Measured in hertz
frequency
Transverse waves moves _______
perpendicular
Light beams that bend when passing through materials is called
refraction
Light beams do this when it hits translucent material
scatter
When it looks like something is there but it isn't
mirage
Lowest point of a wave
trough
The relected ray always ______ to the incident ray
equals
All of the colours of light creates this colour of light
white
Name of the mirror and lense that curves inward
concave
Name of the mirror and lense that curves outward
convex
Concave mirrors make light beams meet at this point
focal
Another name for the "normal" line
principal access
Reflection happens when light beams ______ off of a barier
bounce
Frequency is usually measured in this
nanometres
The place where waves travel through
medium
You are able to see your reflection when light beams bounce into your _____
eyes