Unit 5 Flashcards

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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

A

Wave period

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

A

Frequency

22
Q

Hertz

A

What frequency is measured in

23
Q

What frequency is measured in

A

Hertz

24
Q

Wavefronts

A

Peaks can be drawn as shapes, such as circles or spheres

25
Q

Peaks can be drawn as shapes, such as circles or spheres

A

Wavefronts

26
Q

Wave speed

A

The speed at which a wave travels

27
Q

The speed at which a wave travels

A

Wave speed

28
Q

Radiation

A

The transfer of the energy as EM waves

29
Q

The transfer of energy as EM waves

A

Radiation

30
Q

Infrared

A

Light has slightly longer wavelengths than red light

31
Q

Light has slightly longer wavelengths than red light

A

Infrared

32
Q

Ultraviolet

A

Light has slightly shorter wavelengths than violet light

33
Q

Light has slightly shorter wavelength than violet light

A

Ultraviolet

34
Q

Transparent

A

Matter than transmits light

35
Q

Matter that transmits light

A

Transparent

36
Q

Translucent

A

Materials transmit light but do not let the light travel straight through

37
Q

Materials transmit light but do not let the light travel straight through

A

Translucent

38
Q

Opaque

A

Materials do not let any light pass through them

39
Q

Materials do not let any light pass through them

A

Opaque

40
Q

Absorption

A

The transfer of light energy to matter

41
Q

The transfer of light energy to matter

A

Absorption

42
Q

Reflection

A

The bouncing of light off a surface

43
Q

The bouncing of light off something

A

Reflection

44
Q

Refraction

A

The change in direction of a wave as it passes from one medium into another at an angle

45
Q

The change in direction of a wave as it passes from one medium into another at an angle

A

Refraction

46
Q

Scattering

A

When light is sent in many directions as it passes through a medium

47
Q

When light is sent in many directions as it passes through a medium

A

Scattering