click below
click below
Normal Size Small Size show me how
Stems
the quiz is on 11/26, (Tuesday)
| Term | Definition |
|---|---|
| Convex | thicker in center produces either a real of virtual image |
| Concave | thinner in the center produces only virtual image |
| Nearsightedness | see nearby clearly but distance is blurry, needs concave lens to correct |
| Farsightedness | see distant images clearly but nearby is blurry, needs convex lens to correct |
| Cones | respond to colors |
| Virtual image | a right side up image |
| Real Image | an upside down image |
| pupil | looks black, it is a hole covered by the cornea |
| Iris | rind of muscle that contracts and expands to change amount of ligt that enters the eye |
| Transluscent | allows some light to pass |
| Transparent | light passes right through |
| Cornea | transparent front surface |
| Refraction | when light bends through a medium |
| Rods | reacts to dim light, necessary for night vision |
| diffuse reflection | parallel rays of light hit a bumpy surface |