DiscoverFundamentals of Physics, II - Video17 - Ray or geometrical optics II
17 - Ray or geometrical optics II

17 - Ray or geometrical optics II

Update: 2011-04-06
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Ray diagrams are used to investigate the behavior of light incident on mirrors and lenses. The principle of least time is used to show that all rays from an object in front of a concave mirror focus on the image point if they are not too far from the axis. The experiments describing the breakdown of geometric optics are discussed.
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17 - Ray or geometrical optics II

17 - Ray or geometrical optics II

Ramamurti Shankar