Will Has A Pig Penis Flashcards
(128 cards)
0
Q
Start and end at the same place
A
Pendulum
1
Q
A unit of motion that repeats over and over
A
Cycle
2
Q
A group of related objects that are related to the situation being studied
A
System
3
Q
A object or device which produces harmonic motion…heart, metronome, seasons of earth..etc
A
Oscillator
4
Q
Sound and light come from?
A
Oscillators
5
Q
Produced by oscillators of air
A
Sound
6
Q
Produced by oscillators of electromagnetism
A
Light
7
Q
Time to complete 1 cycle
A
Period
8
Q
Is related to period
A
Frequency
9
Q
It consists on the number of oscillators per second
A
Frequency
10
Q
SI unit is the
A
Hectz
11
Q
Frequency formula
A
F=I dived by T
12
Q
How big the cycle is
A
Amplitude
13
Q
Gradual decreasing of amplitude
A
Damping
14
Q
Caused by friction or by design
A
Damping
15
Q
Phase
A
Where an oscillator is in a cycle
16
Q
The cycles are in synchronization
A
In phase
17
Q
Cycles are not aligned when?
A
Out of phase
18
Q
Pendulum, mass on a spring, vibrating string
A
Types of oscillators
19
Q
Waves which oscillate perpendicular to the direction
A
Transverse
20
Q
Waves which oscillate in the same direction as the wave moves
A
Longitude
21
Q
How high or low from the equilibrium the matter of the wave is located
A
Amplitude
22
Q
How many crests pass a point in time
A
Frequency
23
Q
Highest change of the matter of the wave
A
Crest
24
Lowest change of the matter of the wave
Trough
25
Linear distance from crest to crest
Wavelength
26
Formula for wave speed
V=FD
27
Speed of the wave
V
28
Frequency of wave
F
29
Wavelength of the wave
D
30
Parallel wave fronts
Plane
31
Concentric
Circular
32
the oscillators of a system
Natural frequency
33
Tendency of a system to oscillate at a greater amplitude
Resonance
34
When an object is ? To its natural F it will resonate
Energized
35
Point on standing wave where matter is at equilibrium
Node
36
Point on standing wave with greatest amplitude
Antinode
37
Multiples of natural F
Harmonics
38
The lowest natural F of the object
Fundamental
39
When 2 or more waves meet at some point
Interference
40
When 2 of the same type or pattern meet
Constructive
41
When 2 opposing patterns meet
Destructive
42
Where a wave makes contact to a surface and changes direction
Reflection
43
Original wave before the boundary contact
Incident wave
44
New direction after the boundary contact
Reflected
45
Where a wave can bend around an edge
Diffraction
46
Where the wave energy is assimilated into a medium and disappears as a separate entity
Absorption
47
Longitudinal or pressure waves
Primary
48
Transverse or shear waves
Secondary
49
Inner ear structure which converts mechanical sound waves to electrical impulses for the brain
Cochlea
50
Range for humans hearing
20 Hz - 20,000 Hz
51
Exposure to high frequency or loud noises
Reduce hearing
Cause a loss of balance
52
Measure of force over a given area
Pressure
53
Pressure formula
P= F divided by A
54
SI units for pressure
Pascals
55
In the air molecules creating high and low pressures
Oscillations
56
Sound waves are ?
Longitudinal waves
57
Longitudinal waves must travel through a
Medium
58
Does not have a medium
Space
59
Based on the decibel scale
Loudness
60
A logarithmic scale
Decibels
61
Pain level of sound is
120 DB
62
The science and technology of sound
Acoustics
63
Is based on frequency
Pitch
64
Special kind of graph which can show how loud a sound is at different F
Sonogram
65
An equal mixture of all F
White noise
66
When an object vibrates at it's natural F
Resonance
67
Multiple echoes
Reverberation
68
Speed of sound depends on?
Temperature, pressure
69
They are places where sound waves are partially or completely cancelled
Dead spots
70
Sound can bend around corners and pass through small openings
Diffraction
71
A regular time pattern of sound
Rhythm
72
Related to phases
Beats
73
Good combo of F
Consonance
74
Bad combo of F
Dissonance
75
F that are multiples of the fundamental note
harmonics
76
Very long wavelength
Radio waves
77
Shorter wavelengths
Microwaves
78
What you see
Visible
79
Medical use and inspecting welds
X rays
80
High energy rays
Gamma
81
Surrounds nucleus
Electron
82
Energy is gained
Excited
83
When a material gives off a light
Photo luminescence
84
Built an atomic model
Bohr
85
A branch of physics which has extended our understanding of the atomic world
Quantum
86
Process of making light from heat
Incondescence
87
More efficient..heating a had to produce 4x the light
Fluorescent bulbs
88
Electric fields and magnetic fields- moving in a sine wave
Alternating
89
Decrease glare and brightness
Sun glasses
90
Change the effects of pictures
Photo lenses
91
Produces light and dark spots
LCD screens
92
German physicist, stated that there was a relationship of light and energy
Max Planck
93
Proved that Planck was correct and won the Nobel prize- the photoelectric effect
Albert Einstein
94
Red green and blue
Additive primary
95
Yellow magenta and cyan
Subtractive primary
96
It can concentrate the light
Concave
97
It can spread out the light
Convex
98
Just reflect light in straight lines
Hat
99
A device that refracts of light
Prism
100
An optical device that bends light to affect an image...lens is a shape of transparent material
Leases
101
Spread out light rays
Diverging lens
102
Concentrates light rays
Converging lens
103
The place where all the light rays from the object meet to form the image
Focus
104
As a light passes a boundary between two surfaces
Refraction
105
Light bounces off of a surface..energy is collected and focused to create an image
Reflection
106
The ray that comes from the object to the mirror
Incident ray
107
The ray that bounces off the mirror to form an image
Reflected ray
108
In optics a line perpendicular to the mirror
Normal
109
How many focal points do lenses have
2
110
How many rays form an image ?
3
111
3x10^8
The speed of light in a vacuum
112
As light passes through any material it
Slows Down
113
Keeps light contained to follow the tube
Critical angle
114
Keeps info moving
Total internal reflection
115
Laser?
Light amplification by stimulated emission of radiation
116
Any material that's magnetic
Magnet
117
Magnets always have?
Two opposite poles north and south
118
Opposite poles create?
Magnetic forces
119
First electric discovery by the age of 30 he invented electromagnet motors
Michael faraday
120
Naturally magnetic materials
Lodestone and magnetite
121
Magnetic fields always proceed from the North and goes toward the
South
122
Discovered first principle of electromagnetism during his teaching of students at the university of Copenhagen
Hans Christian ersted
123
A disk that holds magnets in a pattern and is allowed to spin
Rotor
124
Made of the electromagnets rotating part of a motor
Armature
125
Allow current to flow to the proper electromagnet on the armature
Brushes
126
By moving a magnet through a coil of wire..current can be induced
Electromagnetic induction
127
Devices that spin and produce energy
Generators
