Light and Waves

reflected, refracted, absorbed

process by which light rays bounce off an obstacle. if an object does not emit its own light, light must bounce off of it in order to be seen

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objects absorb all wavelengths of light except the one associated with the color of the object itself.

The process by which light is bent (deviates) as it passes from one translucent medium to the next. like air, water, glass, plastic (different mediums).

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curved object made from translucent material such a glass or plastic, since its clear light ray pass through it

they allows light rays that travel through it t close in (conerge) tg

convergent lens, the curved shape allows light rays to focus on retina

allow light rays that travel through it to spread out ( diverge) from ne another they have at least one concave side

when lens of eyes functions perfectly, is able to focus light on retina

when cornea sis misshapen and causes blurry vision

near-sighted, can see up close but not at distance, its due to having elongated eyeball or overly curved lens the light rays are converging too quickly and the image become focuses in front of the retina

diverging concave lens

far-sighted, can see distant objects but cant see up close, due to having smaller eyeball or bc lens is not curved enough light rays not converging fast enough and image is focused behind the retina

converging convex lens

age related phenomenon occurs when lens hardens and cannot bend light rays as easily. age- related hyperopia