Unit 5 Flashcards

(48 cards)

0
Q

Definition

A

Term

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1
Q

Term

A

Definition

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2
Q

Wave

A

Is a disturbance that transfers energy from one place to another

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3
Q

Is a disturbance that transfers energy from one place to another

A

Wave

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4
Q

Medium

A

Is the material through which a wave travels

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5
Q

Is the material through which a wave travels

A

Medium

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6
Q

Longitudinal wave

A

Particles move back and forth in the same direction that the wave travels, or parallel to the wave

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7
Q

Particles move back and forth in the same direction that the wave travels, or parallel to the wave

A

Longitudinal wave

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8
Q

Transverse wave

A

Particles move perpendicularly to the direction the wave travels

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9
Q

Particles move perpendicularly to the direction the wave travels

A

Transverse wave

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10
Q

Mechanical waves

A

Waves that require a medium

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11
Q

Waves that require a medium

A

Mechanical waves

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12
Q

Electromagnetic waves

A

Disturbances in the electric and magnetic fields

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13
Q

Disturbances in the electric and magnetic fields

A

Electromagnetic waves

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14
Q

Amplitude

A

A measure of how far particles in the medium move away from their normal rest position

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15
Q

A measure of how far particles in the medium move away from their normal rest position

A

Amplitude

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16
Q

Wavelength

A

The distance over which the waves shape repeats

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17
Q

The distance over which the waves shape repeats

A

Wavelength

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18
Q

Wave period

A

The time required for one cycle

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19
Q

The time required for one cycle

20
Q

Frequency

A

Tells you how many cycles occur in an amount of time

21
Q

Tells you how many cycles occur in an amount of time

22
Q

Hertz

A

What frequency is measured in

23
Q

What frequency is measured in

24
Wavefronts
Peaks can be drawn as shapes, such as circles or spheres
25
Peaks can be drawn as shapes, such as circles or spheres
Wavefronts
26
Wave speed
The speed at which a wave travels
27
The speed at which a wave travels
Wave speed
28
Radiation
The transfer of the energy as EM waves
29
The transfer of energy as EM waves
Radiation
30
Infrared
Light has slightly longer wavelengths than red light
31
Light has slightly longer wavelengths than red light
Infrared
32
Ultraviolet
Light has slightly shorter wavelengths than violet light
33
Light has slightly shorter wavelength than violet light
Ultraviolet
34
Transparent
Matter than transmits light
35
Matter that transmits light
Transparent
36
Translucent
Materials transmit light but do not let the light travel straight through
37
Materials transmit light but do not let the light travel straight through
Translucent
38
Opaque
Materials do not let any light pass through them
39
Materials do not let any light pass through them
Opaque
40
Absorption
The transfer of light energy to matter
41
The transfer of light energy to matter
Absorption
42
Reflection
The bouncing of light off a surface
43
The bouncing of light off something
Reflection
44
Refraction
The change in direction of a wave as it passes from one medium into another at an angle
45
The change in direction of a wave as it passes from one medium into another at an angle
Refraction
46
Scattering
When light is sent in many directions as it passes through a medium
47
When light is sent in many directions as it passes through a medium
Scattering