Comminication Flashcards
0
Q
What is refraction
A
The change in speed or light as it travels through a transparent surface
1
Q
What is reflection
A
When light bounces of a surface. Light always travels in straight line
2
Q
Sound waves are
A
Longitude waves like a slinky
3
Q
Light waves are
A
Are transverse waves go up and down
4
Q
What are the cells called int the retina that absorbs colour
A
Cones
5
Q
What are cells cellars in try retina that absorbs black white
A
Rods