lenses
transparent object w/ nonparallel curved surfaces/one plane surface & one curved surface
convex lenses
thicker in the middle
CONVERGING, incidental rays are refracted and converge after passing thru lens
bio__, plano__, concavo__
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lenses
transparent object w/ nonparallel curved surfaces/one plane surface & one curved surface
convex lenses
thicker in the middle
CONVERGING, incidental rays are refracted and converge after passing thru lens
bio__, plano__, concavo__
concave
thinner in the middle
DIVERGING, incident rays are refracted and diverge, originate at f
bio__, plano___
eyes
bioconvex
light enters cornea, iris dilates, lens sends light to the back of the eye, image is upside down, brain makes it right sid eup
optical instruments
processes light to improve clarity of image being viewed
reflects & refracts light to form images
microscopes & telescopes
convex - enlarges images of tiny/distant objects
binoculars
2 convex - three dimensional enlarged view of object
cameras
convex lenses - reduce the image of objects