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Unformatted text preview: Total Internal Reflection of Light a phenomenon that occurs when light travels from a more optically dense to a less optically dense medium and the refracted angle is 90 and this causes the incident ray to be reflected back into the more dense medium =-c sin 1n2n1 Eye Defects 1. Far sightedness (Hyperopia/presbyopia) eyeball too short converging lens fixes problem 2. Near sightedness (Myopia) eyeball too long diverging lens fixes problem 3. Astigmatism out of round cornea or lens cylinder fixes problem Convex Concave Object between F and 2F Real, larger, inverted Object at 2F Real, same size, inverted Object beyond 2F real, smaller, inverted Object within F virtual, larger, upright, behind object Virtual, upright, smaller Refractive Power in Diopters = = + P 1fdiopters 1do 1di If di is negative, then the image is virtual If magnification is negative, then the image is inverted...
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This note was uploaded on 05/29/2010 for the course SCI 5421 taught by Professor Russel during the Spring '10 term at Morton College.
- Spring '10