P12 Waves
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114 Terms
1
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Amplitude
The height of a transverse wave from crest or trough to the point of rest`the maximum displacement from equilibrium.
2
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Wavelength
Distancebetween consecutive crests or troughs.
3
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Amplitude
The height of a transverse wave from crest or trough to its resting point. Bigger amplitude=more energy
4
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Wavelength
The distance between two peaks or troughs.
5
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Oscillation
To move to and fro on a certain position on a line.
6
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transverse wave
A wave where oscillations are perpendicular to direction of energy transfer. e.g. EM waves
7
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longitudinal wave
Waves where the oscillations are parallel to direction of energy transfer.
8
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Frequency
The number of complete wavelengths that pass a point in a given time
9
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Rarefaction
A part in a longitudinal wave where the particles are spread apart
10
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Compression
The part of a longitudinal wave where the particles of the medium are close together.
11
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Frequency range of human hearing
20 Hz to 20,000 Hz
12
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Mechanical waves
Waves that require a medium through which to travel
13
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Ultrasound
Sound waves with frequencies above 20,000 Hz.
14
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Echo
The heard reflection of sound.
15
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Reflection
The bouncing back of a wave when it hits a surface through which it cannot pass.
16
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Law of reflection
the angle of incidence is equal to the angle of reflection
17
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Refraction
The bending of a wave as it passes at an angle from one medium to another
18
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Seismic Waves
Shock waves that travel through the Earth and across its surface as the result of an earthquake.
19
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Primary waves
1st wave, P, travels the fastest, back-and-forth waves, move through solids, liquids, and gases. It's longitudinal and pushes/pulls on materials as it moves through the Earth.
20
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Secondary Waves
Transverse 'S' waves that shake the Earth side to side as they pass through. These waves can't pass through liquids and therefore only P waves can pass through the outer core causing a shadow zone on the other side with no S waves.
21
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Speed of Light
3.00 x 10^8 m/s
22
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Speed of sound in air
340 m/s
23
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Speed of sound in water
Approximately 1500 m/s.
24
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Wave speed formula
v=fλ
25
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Speed of Sound in Steel
5000 m/s
26
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Units for frequency
Hertz (Hz)
27
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Units for wavelength
meters (m)
28
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Units for amplitude
meters
29
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Required practical set-up
A frequency generator is attached to a vibrator. There is a string with one end on the vibrator and the other end attached to a weighted pulley.
30
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Harmonics
Frequencies that are multiples of fundamental frequency. e.g. the first harmonic is half a wavelength and looks like a pointed oval.
31
New cards
Amplitude
The height of a transverse wave from crest or trough to its resting point. Bigger amplitude=more energy
32
New cards
Wavelength
The distance between two peaks or troughs.
33
New cards
Oscillation
To move to and fro on a certain position on a line.
34
New cards
transverse wave
A wave where oscillations are perpendicular to direction of energy transfer. e.g. EM waves
35
New cards
longitudinal wave
Waves where the oscillations are parallel to direction of energy transfer.
36
New cards
Frequency
The number of complete wavelengths that pass a point in a given time
37
New cards
Rarefaction
A part in a longitudinal wave where the particles are spread apart
38
New cards
Compression
The part of a longitudinal wave where the particles of the medium are close together.
39
New cards
Frequency range of human hearing
20 Hz to 20,000 Hz
40
New cards
Mechanical waves
Waves that require a medium through which to travel
41
New cards
Ultrasound
Sound waves with frequencies above 20,000 Hz.
42
New cards
Echo
The heard reflection of sound.
43
New cards
Reflection
The bouncing back of a wave when it hits a surface through which it cannot pass.
44
New cards
Law of reflection
the angle of incidence is equal to the angle of reflection
45
New cards
Refraction
The bending of a wave as it passes at an angle from one medium to another
46
New cards
Seismic Waves
Shock waves that travel through the Earth and across its surface as the result of an earthquake.
47
New cards
Primary waves
1st wave, P, travels the fastest, back-and-forth waves, move through solids, liquids, and gases. It's longitudinal and pushes/pulls on materials as it moves through the Earth.
48
New cards
Secondary Waves
Transverse 'S' waves that shake the Earth side to side as they pass through. These waves can't pass through liquids and therefore only P waves can pass through the outer core causing a shadow zone on the other side with no S waves.
49
New cards
Speed of Light
3.00 x 10^8 m/s
50
New cards
Speed of sound in air
340 m/s
51
New cards
Speed of sound in water
Approximately 1500 m/s.
52
New cards
Wave speed formula
v=fλ
53
New cards
Speed of Sound in Steel
5000 m/s
54
New cards
Units for frequency
Hertz (Hz)
55
New cards
Units for wavelength
meters (m)
56
New cards
Units for amplitude
meters
57
New cards
Required practical set-up
A frequency generator is attached to a vibrator. There is a string with one end on the vibrator and the other end attached to a weighted pulley.
58
New cards
Harmonics
Frequencies that are multiples of fundamental frequency. e.g. the first harmonic is half a wavelength and looks like a pointed oval.
59
New cards
Amplitude
The height of a transverse wave from crest or trough to its resting point. Bigger amplitude=more energy
60
New cards
Wavelength
The distance between two peaks or troughs.
61
New cards
Oscillation
To move to and fro on a certain position on a line.
62
New cards
transverse wave
A wave where oscillations are perpendicular to direction of energy transfer. e.g. EM waves
63
New cards
longitudinal wave
Waves where the oscillations are parallel to direction of energy transfer.
64
New cards
Frequency
The number of complete wavelengths that pass a point in a given time
65
New cards
Rarefaction
A part in a longitudinal wave where the particles are spread apart
66
New cards
Compression
The part of a longitudinal wave where the particles of the medium are close together.
67
New cards
Frequency range of human hearing
20 Hz to 20,000 Hz
68
New cards
Mechanical waves
Waves that require a medium through which to travel
69
New cards
Ultrasound
Sound waves with frequencies above 20,000 Hz.
70
New cards
Echo
The heard reflection of sound.
71
New cards
Reflection
The bouncing back of a wave when it hits a surface through which it cannot pass.
72
New cards
Law of reflection
the angle of incidence is equal to the angle of reflection
73
New cards
Refraction
The bending of a wave as it passes at an angle from one medium to another
74
New cards
Seismic Waves
Shock waves that travel through the Earth and across its surface as the result of an earthquake.
75
New cards
Primary waves
1st wave, P, travels the fastest, back-and-forth waves, move through solids, liquids, and gases. It's longitudinal and pushes/pulls on materials as it moves through the Earth.
76
New cards
Secondary Waves
Transverse 'S' waves that shake the Earth side to side as they pass through. These waves can't pass through liquids and therefore only P waves can pass through the outer core causing a shadow zone on the other side with no S waves.
77
New cards
Speed of Light
3.00 x 10^8 m/s
78
New cards
Speed of sound in air
340 m/s
79
New cards
Speed of sound in water
Approximately 1500 m/s.
80
New cards
Wave speed formula
v=fλ
81
New cards
Speed of Sound in Steel
5000 m/s
82
New cards
Units for frequency
Hertz (Hz)
83
New cards
Units for wavelength
meters (m)
84
New cards
Units for amplitude
meters
85
New cards
Required practical set-up
A frequency generator is attached to a vibrator. There is a string with one end on the vibrator and the other end attached to a weighted pulley.
86
New cards
Harmonics
Frequencies that are multiples of fundamental frequency. e.g. the first harmonic is half a wavelength and looks like a pointed oval.
87
New cards
Amplitude
The height of a transverse wave from crest or trough to its resting point. Bigger amplitude=more energy
88
New cards
Wavelength
The distance between two peaks or troughs.
89
New cards
Oscillation
To move to and fro on a certain position on a line.
90
New cards
transverse wave
A wave where oscillations are perpendicular to direction of energy transfer. e.g. EM waves
91
New cards
longitudinal wave
Waves where the oscillations are parallel to direction of energy transfer.
92
New cards
Frequency
The number of complete wavelengths that pass a point in a given time
93
New cards
Rarefaction
A part in a longitudinal wave where the particles are spread apart
94
New cards
Compression
The part of a longitudinal wave where the particles of the medium are close together.
95
New cards
Frequency range of human hearing
20 Hz to 20,000 Hz
96
New cards
Mechanical waves
Waves that require a medium through which to travel
97
New cards
Ultrasound
Sound waves with frequencies above 20,000 Hz.
98
New cards
Echo
The heard reflection of sound.
99
New cards
Reflection
The bouncing back of a wave when it hits a surface through which it cannot pass.
100
New cards
Law of reflection
the angle of incidence is equal to the angle of reflection
Note 
Flashcards (30)