Pages in this set

Page 1

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Introduction
A mechanical wave transfers
(time varying) Kinetic Energy
without a net transfer of matter.
Mechanical waves require a
physical medium through/on
which to propagate e.g.
sound/ocean waves

Page 2

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Introduction
An electromagnetic wave
transfers Energy between
charged particles.
Electromagnetic waves can
move through physical media
(e.g. glass) but do not rely on it,
since even a vacuum (space)
has magnetic and electric
properties.

Page 3

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Definitions
Learn and test your recall of the
following... Transverse
Longitudinal Wavefront
Wavelength Period Frequency
Wave Speed Phase Difference
Displacement Amplitude

Page 4

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Transverse
Direction of wave oscillation is
PERPENDICULAR to the
direction of wave travel. e.g
electromagnetic waves, S waves
in earthquakes, surface ocean
waves.

Page 5

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Longitudinal
Direction of wave oscillation is
PARALLEL to the direction of
wave travel. e.g sound, P waves
in earthquakes.

Page 6

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Quick Clip
VIDEO
...on a few wave properties

Page 7

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Wavefront
Wavefront ­ a line joining all
points on the surface of a wave
which are IN PHASE (in step
with each other)

Page 8

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Wavelength
Wavelength ­ the shortest
distance between two
wavefronts with identical phase.

Page 9

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Period
Period T (s) ­ the shortest time
interval between two
wavefronts with identical phase.

Page 10

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Frequency
Frequency f (Hz) ­ the number
of oscillations (or waves
passing a fixed point) every
second.

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Waves - Introduction

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  • Created on: 19-03-14 12:00
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Pages in this set

Page 1

Preview of page 1
Introduction
A mechanical wave transfers
(time varying) Kinetic Energy
without a net transfer of matter.
Mechanical waves require a
physical medium through/on
which to propagate e.g.
sound/ocean waves

Page 2

Preview of page 2
Introduction
An electromagnetic wave
transfers Energy between
charged particles.
Electromagnetic waves can
move through physical media
(e.g. glass) but do not rely on it,
since even a vacuum (space)
has magnetic and electric
properties.

Page 3

Preview of page 3
Definitions
Learn and test your recall of the
following... Transverse
Longitudinal Wavefront
Wavelength Period Frequency
Wave Speed Phase Difference
Displacement Amplitude

Page 4

Preview of page 4
Transverse
Direction of wave oscillation is
PERPENDICULAR to the
direction of wave travel. e.g
electromagnetic waves, S waves
in earthquakes, surface ocean
waves.

Page 5

Preview of page 5
Longitudinal
Direction of wave oscillation is
PARALLEL to the direction of
wave travel. e.g sound, P waves
in earthquakes.

Page 6

Preview of page 6
Quick Clip
VIDEO
...on a few wave properties

Page 7

Preview of page 7
Wavefront
Wavefront ­ a line joining all
points on the surface of a wave
which are IN PHASE (in step
with each other)

Page 8

Preview of page 8
Wavelength
Wavelength ­ the shortest
distance between two
wavefronts with identical phase.

Page 9

Preview of page 9
Period
Period T (s) ­ the shortest time
interval between two
wavefronts with identical phase.

Page 10

Preview of page 10
Frequency
Frequency f (Hz) ­ the number
of oscillations (or waves
passing a fixed point) every
second.

Comments

No comments have yet been made