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A2 level physics notes part 2

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Comprehensive notes on the A2 level syllabus for IGCSE physics. It includes all the key definitions required to learn for the final examination.

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  • January 22, 2024
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OscillatiOMS chapter 18 ↑




Oscillation =
repetitive back-and-forth or up-and-down motion

stop object from
oscillating ,
comes to equilibrium position



free forced
FREQUENCY
frequency at oscillations not at
NATURAL
frequency

:
natural
which a body vibrates When there's no ↳ natural
frequency of vibration will be
resultant external force acting on it < than this frequency




Observing Oscillations :
slow oscillations (cannot observe most oscillations)


mass-spring system Denaulum



·
mass

we e e ve

2 7

equil




Describing Oscillations

a
-emaxdisplacement
fro a
↑ sinusoidal
-




e
·
position
! .

&
I
time



~
period ,
T

↳ time to full oscillation
complete I



↓ =
frequency =
He

↳ number of oscillations per unit time



phase point that an
oscillating particle has reached within the complete
cycle of an oscillation

phase difference :
diff -
in phases of two
oscillating particles (degrees /radians)

,
,
,

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