Chapter 29 Reflection & Refraction May 16 – 23 Mr. Gaydos.

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Chapter 29 Reflection & Refraction May 16 – 23 Mr. Gaydos.

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Presentation transcript:

Chapter 29 Reflection & Refraction May 16 – 23 Mr. Gaydos

Chapter 29 Notes I. Introduction: A. Reflection: Waves incident upon a surface, some or all of the energy bounces back. B. Refraction: Waves incident upon a medium, waves are bent as they enter & travel within the medium.

Chapter 29 Outline Reflection Video Gos&list=PL5C55F4122B03492C Gos&list=PL5C55F4122B03492C

Discovery II. Key Terms A. Line of Sight B. Reflection C. Law of Reflection (Ray Diagram) 1. Normal to Reflecting Boundary 2. Angle of Incidence (Ѳ i) 3. Angle of Reflection (Ѳ r) 4. Angle of Incidence (Ѳ i) = Angle of Reflection (Ѳ r) D. Mirror: A Reflecting Boundary 1. Plane (Flat) 2. Concave 3. Convex E. Light Pollution F. Noise Pollution

Mirror KPPs Plane (Flat Mirror) – Image same size as Object – Image orientation is ____________ relative to object – Image located same distance “behind” mirror as object is in front of mirror – More than one Plane mirror will result in multiple images

Mirror KPPs Concave mirror – Reflecting surface bent inwards away from object. – Image orientation is ____________ relative to object – Image location is ______________ relative to location of object. – Image size is _____________ relative to size of object.

Mirror KPPs Convex Mirror – Reflecting surface bent outwards towards object. – Image orientation is ____________ relative to object – Image location is ______________ relative to location of object. – Image size is _____________ relative to size of object