Lens Flashcards
1
Q
What eye defect can cured by converging lens
A
Long sightedness (Hyperopia)
2
Q
converging lens power
A
1 over f
3
Q
Diverging lens power
A
minus 1 over f
4
Q
Refractive index
A
1 over C
Sin i over Sin r
speed of light in air over in medium
real depth over apparent depth
5
Q
No angle under 30 degrees why?
A
reduced percentage error
Difficult to measure these smaller angles
6
Q
When underwater why does the cornea not work
A
As the cornea and the water both have an equal refractive index
7
Q
Convex mirror
A
1/u - 1/v = -1/f
8
Q
Converging lens cures what
A
Short sightedness/ myopia
