Extended Physics Flashcards
0
Q
What is the intensity formula…
A
Intensity = Power
————
Area
1
Q
Define radiation
A
Radiation is energy that originates from a source.
2
Q
What is refraction ?
A
The change of direction caused by a change in speed
3
Q
Name the two main types of lens
A
Diverging lens and Converging lens
4
Q
When light is shone through a converging lens do the rays of light move together or move away ?
A
Move together
5
Q
When light is shone through a diverging lens do the rays of light move together or move away ?
A
Move away
6
Q
What are the 7 main parts of the eye ?
A
Iris Cornea Pupil Lens Ciliary muscle Optic nerve Retina