
- #INTERACTIVE MOVABLE MIRRORS REFLECTION LIGHT BEAMAPP PDF#
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#INTERACTIVE MOVABLE MIRRORS REFLECTION LIGHT BEAMAPP PDF#
Google Patents Video disc player with movable mirror for directing light beam onto reflective discĭownload PDF Info Publication number US3944727A US3944727A US05/465,823 US46582374A US3944727A US 3944727 A US3944727 A US 3944727A US 46582374 A US46582374 A US 46582374A US 3944727 A US3944727 A US 3944727A Authority US United States Prior art keywords disc mirror energy energy beam reflected Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US3944727A - Video disc player with movable mirror for directing light beam onto reflective disc Image Formation-Concave I O C F If the object is inside the focal point, The image will be virtual and upright.US3944727A - Video disc player with movable mirror for directing light beam onto reflective disc Image Formation-Concave O F C As the object gets farther away, the image appears closer to the focus. Image Formation-Concave Incoming ray parallel to axis reflects through the focus O C F Image Ray through the focus reflects parallel to the axis Mirror reflects to the left Spherical Mirrors F - focus of mirror C F C – center of curvature Spherical Mirrors Shaving/makeup mirrors Telescopes Car side-view mirrors Spoons, pots, etc. Why the Different Colors? Silver - essentially all colors are reflected Gold - does not reflect blue reflected light looks reddish-yellow Copper - does not reflect blue or green reflected light looks reddish in color
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In non-conducting materials, electrons are tied to a positive charge and are not free to roam through the material. Electrons re-arrange themselves to prevent a light wave from entering the surface of the metal.


Some Physics of Metals Metals conduct electricity because electrons can move around. What size mirror do you need? Question: Does your distance matter? A B A B Hero of Alexandria "Principle of least distance" How does a ray "know" which path to follow? All “incorrect” paths are longer!!
