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edits
Changes
→Waves
*[[Spring#Opposing Forces|Opposing Forces on a Spring]]
==Waves[[Wave]]s==
===Observed Waves===
====[[Mechanical Wave]]s========[[Wave Properties]]====*[[Frequency]]**[[Hertz]]*[[Wavelength]]*[[Wave Speed]]*[[Reflection]]*[[Refraction]]*[[Superposition]]*[[Transverse]]*[[Longitudinal]]===[[Sound Waves|Sound Wave]]s===*[[Sound#Echo|Sound]]*[[Sound#Absorption|Absorption]]*[[Sound#Medium|Medium]] - speed in different media*[[Sound#Vibration|Vibration]]*[[Speaker]]*[[Microphone]]*[[Hearing]]
===Energy and Waves===
*[[Pressure Wave]]s*[[Ultrasound]]===[[Light|Light Waves]]===*[[Light#Medium|Medium]]*[[Light#Absorption|Absorption]]*[[Diffuse Reflection]]*[[Specular Reflection]]*[[Light#Colour]]**[[Prism]]**[[Colour Filter]]*[[Ray Diagram]]*[[Mirror]]*[[Pinhole Camera]]*[[Refraction#Refraction of Light|Refraction]]*[[Convex Lens]]*[[Eye]]*[[Photochemical Change]]*[[Photoelectrical Change]]
==Electricity and Electromagnetism==
===Current Electricity===