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Adv. Science Unit 5 > Waves > Flashcards

Waves Flashcards

0
Q

Medium

A

Material through which a wave travels

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1
Q

Wave

A

A disturbance that transfers energy from one place to another.

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2
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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3
Q

Transverse wave

A

Particles move perpendicularly to the direction the wave travels.

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4
Q

Mechanical waves

A

Waves that require a medium.

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5
Q

Electromagnetic waves

A

Disturbances in electric and magnetic fields

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6
Q

Amplitude

A

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

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7
Q

Wavelength

A

Distance over which the waves shape repeats.

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8
Q

Wave period

A

Time required for one cycle.

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9
Q

Frequency

A

How many cycles occur in an amount of time,most commonly 1’s.

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10
Q

Hertz

A

One hertz is equal to one cycle per second.

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11
Q

Wavefronts

A

The peaks that can be drawn as shapes, such as circles or spheres

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12
Q

Wave speed

A

The speed at which a wave travels.

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13
Q

Radiation

A

The transfer of energy as EM waves

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14
Q

Electromagnetic spectrum

A

Visible light represents only a very small part of the range of frequencies

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15
Q

Infrared

A

Slightly longer wave lengths than red light.

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16
Q

Ultraviolet

A

Slightly shorter wave lengths than violet light.

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17
Q

Transparent

A

Matter that limits light

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18
Q

Translucent

A

Materials that limit but do not let the light travel straight through.

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19
Q

Opaque

A

Materials that do not let any light pass through them.

20
Q

Absorption

A

Transfer of light energy to matter.

21
Q

Reflection

A

The bouncing

22
Q

Refraction

A

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

23
Q

Scattering

A

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

24
Q

A disturbance that transfers energy from one place to another

25
Q

Material through which a wave travels

26
Q

Particles move back and forth on the same direction that the wave travels or parallel to the wave.

A

Longitudinal wave

27
Q

Particles move perpendicularly to the direction the wave travels

A

Transverse wave

28
Q

Waves that require a medium.

A

Mechanical wave

29
Q

Disturbances in electric and magnetic fields

A

Electromagnetic waves

30
Q

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

31
Q

Distance over which the waves shape repeats

A

Wavelength

32
Q

Time required for one cycle

A

Wave period

33
Q

How many cycles occur in an amount of time, most commonly 1’s

34
Q

One is equal to one cycle per second

35
Q

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

A

Wavefronts

36
Q

The speed at which a wave travels

A

Wave speed

37
Q

Transfer of energy as EM waves

38
Q

Visible light that represents only a very small part of the range of frequencies that an EM wave can have

A

Electromagnetic spectrum

39
Q

Slightly longer wavelengths than a red light

40
Q

Slightly shorter wavelengths than violet light

A

Ultraviolet

41
Q

Matter that limits light

A

Transparent

42
Q

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

A

Translucent

43
Q

Materials that do not let any light pass through them

44
Q

Transfer of light energy to matter

A

Absorption

45
Q

The bouncing of light off a surface

A

Reflection

46
Q

Change in direction of a wave as it passes from one medium to another at an angle

A

Refraction

47
Q

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

A

Scattering

Adv. Science Unit 5 (3 decks)

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