Light Waves Flashcards
1
Q
What is the cornea
A
A film laying on top of your eyes, bends the lights towards the pupil
2
Q
Pupil
A
Spread or contract to let in more or less light
3
Q
Lens
A
Focus light to the outer layer of retina
4
Q
Retina
A
Light sensitive cells called rods and cones send the info to inner cells of the retina then to the optic nerve
5
Q
Optic nerve
A
Send the signal to the brain
6
Q
What is the speed of light
A
300000000(8)
7
Q
Relationship between frequency and how light changes
A
Some frequencies can’t be seen
8
Q
Transverse
A
Light wave goes up and down but also side to side the same time
