# REFLECTION - QUESTIONS AND ANSWERS: Questions (Part 1) 1....

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1 QUESTIONS AND ANSWERS: Questions (Part 1) 1. What is the relationship between the angles of incidence and refection ? The angle of incidence is the same as the angle of reflection. (The angle of incidence = angle of reflection) Angle of the incidence (deg) Angel of refection(deg) 32 32 48 50 68 68 θ=θ’ 2. Are the three colored rays reversed left-right by the plane mirror? Yes, Incidence angle is varying between colors. Incident Rays come as Red, Green, Blue but reflects as Blue, Green, Red. This happens due to the Principle of Reversibility. This principle states that if a light ray follows a particular path through an optical system, then it will follow an identical path if it travels in the opposite direction.

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2 Questions (Part 2) - Cylindrical Mirrors 1. What is the relationship between the focal length of a cylindrical mirror and it's radius of curvature? Do your results confirm your answer? R = 2f; As 11.2cm 2*5.7cm Concave mirrors A converging mirror; light rays that strikes the mirror surface are reflected so that they converge, or "come together," at a point Convex mirrors A diverging mirror; light rays that strike the mirror surface are reflected so that they diverge, or "go apart," and they never come to a point. Curved Mirror Terminology V – is the geometric center of the curved mirror and is called the vertex (V) C – the center of a spherical reflecting surface; called the center of curvature (C) The principal axis is a construction line drawn so that it passes through C and V
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## This note was uploaded on 10/30/2011 for the course MECHATRONI EN11ME2050 taught by Professor Perera during the Spring '11 term at Asian Institute of Technology.

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REFLECTION - QUESTIONS AND ANSWERS: Questions (Part 1) 1....

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