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Flashcards in Unit 5 Deck (22)
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0
Q
Wave
A
A disturbance that transfers energy from one place to another
1
Q
A disturbance that transfers energy from one place to another
A
Wave
2
Q
Medium
A
Material that waves can pass through
3
Q
Longitudinal wave
A
Particles move perpendicular to the direction the wave travels
4
Q
Waves that require a medium
A
Mechanical waves
5
Q
Electromagnetic waves
A
Disturbances in electric and magnetic fields
6
Q
Amplitude
A
Is a measure of how far particles in the medium move away from their normal rest position
7
Q
Wavelength
A
The distance over which the wave's shape repeats
8
Q
Wave period
A
Is the time required for one cycle
9
Q
Frequency
A
Tells how many cycle occur in an amount of time
10
Q
Hertz
A
Is equal to one cycle per second
11
Q
Wave fronts
A
Peaks drawn as shapes, such as circles and spheres
12
Q
Wave speed
A
The speed a wave travels at
13
Q
Radiation
A
Is the transfer of energy as EM waves
14
Q
Electromagnetic (EM) spectrum
A
Same type of waves of light we are used to
15
Q
Infrared (IR)
A
Has slightly linger wave lengths
16
Q
Ultraviolet (UV)
A
Has slightly shorter wave lengths
17
Q
Transparent
A
Matter that transmits light can be seen through
18
Q
Translucent
A
Transmits light but does not go straight through
19
Q
Opaque
A
Does not let any light pass through them
20
Q
Absorption
A
Transfer of light energy to matter
21
Q
Reflection
A
light bouncing off a surface