PHYA22H3 Study Guide - Winter 2019, Comprehensive Final Exam Notes - Wine, Electric Field, Electrical Conductor

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1 Apr 2019
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Wave Model
°looking at the collective movement of many individual particles
travelling waves organized disturbance at same speed
mediums substance in which wave moves
single particles do not move ,only oscillate up and down
Waves
°package of energy that
moves
from Ato B
°
energy uses the medium to propagate
Medium is left unchanged Runaffected
in some energy is absorbed
ignored for ideal Situation
Types of Waves
mechanical waves -travel in amedium
electromagnetic waves -self sustaining oscillation of the
electromagnetic field
matter waves -quantum physics ;material particles may have
wave-like characteristics
Transverse wave
°displacement is perpendicular to the direction in Which the
wave travels
Measurements
amplitude
!wwgIf%9tehd }wave speed -
-frequency awavelength
.frequency
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Wave Speed
=II where T= tension
M= linear density
=
ML
Longitudinal waves
°displacement is parallel to the direction in which the
wave travels
particles move back and Forth
compression regions -density and pressure of the air is
higher than the average density and pressure
Snapshot Graph
wave 's displacement as afunction of position at a
single instant in time
History Graph
wave is displacement as afunction of time at a
single position
DY history
Snapshot graph
nI
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