Optical lenses - PowerPoint PPT Presentation

Electron Microscopes

Electron Microscopes. Gateways to the hidden world of the super small. An electron microscope (EM) is a type of microscope that uses an electron beam to illuminate a specimen and produce a magnified image.

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702 views • 39 slides

Parabolic Paranoia

Parabolic Paranoia. What are they good for?. What exactly is it?. Parabola : “… is a conic section, the intersection of a right circular conical surface and a plane parallel to a generating straight line of that surface.” y(x) = x 2. Where are all the parabolas?.

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452 views • 11 slides

Convex and Concave Lenses

0. Convex and Concave Lenses. Solving the Lens Mystery. Lynn Garner &amp; Sharon Holloway. Lenses and Light. Lenses are curved pieces of glass that can be convex or concave. Concave lenses cause light rays to spread out (diverge).

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561 views • 7 slides

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