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Waves & Mirrors Trms

TermDefinition
Waves it transfers energy from one place to another through a medium.
Mechanical Wave sound (air) wave and ocean (water) wave
Electromagnetic Wave gamme (light) wave
Transverse Wave wave whose direction is perpendicular to particle direction-consists of alternating crusts and troughs
Longitudinal (Compressional) Wave Wave direction is parallel to particle direction- has alternating compressions and rarefactions
Frequency a measurement of cycles/second
Period a measurement of seconds/cycle
Wavelength the distance before a wave repeats itself
Amplitude the height of a crest or trough from resting position
Wave Speed how fast a wave travels
Diffraction the ability of waves to bend around an obstruction
Node destructive interference
anti-node constructive interference - trough touching trough
Plane Mirror this mirror creates an image which appears on the opposite side of the mirror (virtual or real image)
Converging/Concave Mirror this mirror reflects from inner surface
Center of Curvature the distance from the center of the sphere to the mirror
Focal Point in the middle of the center of curvature and the mirror
Real Image image that appears upside down- created by converging light rays
Virtual Image image that appears upright-
Inverted Image reversed image
Created by: tpickles