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Wavess & Light > Lesson 1 - 4 > Flashcards

Lesson 1 - 4 Flashcards

0
Q

is a disturbance that transfers energy from one place to another

A

Wave

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1
Q

Wave

A

is a disturbance that transfers energy from one place to another

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2
Q

Medium

A

is the material through which a wave travels

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3
Q

is the material through which a wave travels

A

Medium

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4
Q

Longitudinal wave

A

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

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5
Q

Parties move back & forth in the same direction that the wave travels or parallel to the wave

A

Longitudinal wave

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6
Q

Transverse wave

A

Particles move perpendicularly to the direction the wave travels

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7
Q

Particles move perpendicularly to the direction the wave travels

A

Transverse wave

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8
Q

Mechanical waves

A

Waves can travel through more than one medium

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9
Q

Travel through more than one medium

A

Mechanical waves

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10
Q

Electromagnetic waves

A

Are disturbances in electric and magnetic fields

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11
Q

Are disturbances in electric and magnetic fields

A

Electromagnetic waves

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12
Q

Amplitude

A

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

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13
Q

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

A

Amplitude

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14
Q

Wavelength

A

Is the distance over which the wave’s shape repeats

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15
Q

Is the distance over which the wave’s shape repeats

A

Wavelength

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16
Q

Wave period

A

Is the time required for one cycle

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17
Q

Is the time required for one cycle

A

Wave period

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18
Q

Frequency

A

Tells you how many cycles occur in a amount of time

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19
Q

Tells you how many cycles occur in a amount of time

A

Frequency

20
Q

Hertz

A

Is equal to one cycle per second

21
Q

Is equal to one cycle per second

A

Hertz

22
Q

Wavefronts

A

Moves farther from the source , it becomes larger

23
Q

Moves farther from the source , it becomes larger

A

Wavefronts

24
Q

Wave speed

A

Depends on the properties of the medium

25
Q

Depends on the properties of the medium

A

Wave speed

26
Q

Radiation

A

Is the transfer of energy as EM waves

27
Q

Is the transfer of energy as EM waves

A

Radiation

28
Q

Electromagnetic (EM) spectrum

A

EM waves are the same type of wave as the light were used to

29
Q

EM waves are the same type of wave as the light were used to

A

Electromagnetic (EM) spectrum

30
Q

Infrared

A

Has slightly longer wavelengths than red light

31
Q

Has slightly longer wavelengths then red light

A

Infrared

32
Q

Ultraviolet

A

Has slightly shorter wavelengths than violet light

33
Q

Has slightly shorter wavelengths than violet light

A

Ultraviolet

34
Q

Transparent

A

Air , water , and some types of glass are transparent materials

35
Q

Air , water and some types of glass and transparent materials

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

Is the transfer of light energy to matter

41
Q

Is 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 a surface

A

Reflection

44
Q

Refraction

A

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

45
Q

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

A

Refraction

46
Q

Scattering

A

Occurs when light is sent in May directions as it passes through a medium

47
Q

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

A

Scattering

Wavess & Light (1 decks)

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