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Andrew Terry

Unit final chapters 15,16,17,18

Mike Hinton

on 13 November 2012

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Transcript of Andrew Terry

Andrew Terry Chapter 15 Chapter 18 Light and Optics
Optics-the study of visible light
Regular Reflection
Diffuse Reflection
Convex mirror Chapter 17 Electromagnetic Waves
Electromagnetic Waves- a disturbance that transfers energy from one place to another
Different frequencies
Radio waves
UV rays Chapter 16 Sound
Sound-A wave that is produced by vibrating objects
Vibration-a rapid back and forth motion
Sound is produced when your lungs push air between your vocal cords, the forced air causes your vocal cords to vibrate, the vibrating vocal cords produce sound waves Waves
Wave- a disturbance that transfers energy from one place to another
There are types of waves mechanical waves,transverse waves,
Crest: highest point on a wave
Trough: lowest point on a wave
Wavelength: distance from one crest or trough to another
Full transcript