Bellwork What is light? What is light? It is range of EM radiation that can be detected by the human eye. It is range of EM radiation that can be detected.

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Presentation transcript:

Bellwork What is light? What is light? It is range of EM radiation that can be detected by the human eye. It is range of EM radiation that can be detected by the human eye.

Calendar Today (4/30): Refraction notes finish mirror maze assignment Today (4/30): Refraction notes finish mirror maze assignment Friday (5/2): Reflection Practicum Friday (5/2): Reflection Practicum Monday (5/5): Pre-Lab Monday (5/5): Pre-Lab * Final Review Guide * Tues. (5/6): Lab Tues. (5/6): Lab Sometime: Pop Quiz Sometime: Pop Quiz

New Equations Period & Frequency Period & Frequency Wave Equation Wave Equation Sound Intensity Sound Intensity

Introduction to Optics 5/1/14

Images Real Image: An optical image formed by converging light rays; can be displayed on a screen Real Image: An optical image formed by converging light rays; can be displayed on a screen Virtual Image: An optical image that can be seen by an observer; can not be displayed on a screen Virtual Image: An optical image that can be seen by an observer; can not be displayed on a screen

Real Images Examples Smart Board Smart Board Movie projectors Movie projectors Overhead projectors Overhead projectors Cameras Cameras

Virtual Images Examples

Magnifying glasses Magnifying glasses Reflections in a mirror Reflections in a mirror Telescopes Telescopes Microscopes Microscopes

Types of Mirror and Lenses Mirrors: Mirrors: Plane (flat) ConcaveConvex Lenses: Lenses:ConvergingDiverging

Other Optics Terms Upright = Upside right Upright = Upside right Inverted = Upside down Inverted = Upside down Reduced = Appears smaller Reduced = Appears smaller Magnified = Appears bigger Magnified = Appears bigger