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22/23 Learning > Waves Vocab > Flashcards

Waves Vocab Flashcards

1
Q

Absorption

A

The transfer of energy by a wave to the medium through which it travels

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2
Q

Transmission

A

The passage of light/waves through an object

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3
Q

Reflection

A

The bouncing of a wave off a surface

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4
Q

The Law of Reflection

A

when a wave is reflected from a surface, the angle of reflection is equal to the angle of incidence

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5
Q

Refraction

A

The change in direction of a wave that occurs as the wave changes speed when moving from one medium to another.

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6
Q

Diffraction

A

The change in direction of a wave when it travels by the edge of an object or through an opening

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7
Q

Interference

A

The result of overlapping waves that combine to form a new wave

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8
Q

Constructive Interference

A

When 2 waves overlap to make a new wave with greater amplitude than either original wave

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9
Q

Destructive Interference

A

Occurs when crest of one wave overlaps with trough of another wave, making a wave that has an lower amplitude than either original wave

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10
Q

Standing Waves

A

When 2 waves of equal wavelength travel in opposite directions and overlap, making the wave appear to stand still

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11
Q

Compression

A

Where the medium particles are closest together

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12
Q

Amplitude

A

The max. distance a wave moves from its rest position

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13
Q

Crest

A

Highest point in a wave

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14
Q

Electromagnetic Wave

A

A type of wave that can travel through empty space as well as through matter

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15
Q

Frequency

A

The number of wavelengths that pass by a point each second

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16
Q

Longitudinal Wave

A

A wave that causes particles in a medium move parallel to the direction that the wave travels.

17
Q

Mechanical Wave

A

They need matter (or a medium) to transfer energy

18
Q

Medium

A

The substance through which a wave can travel. Ex. Air; water; particles; strings; solids; liquids; gases

19
Q

Rarefaction

A

Regions of a longitudinal wave where the particles in the medium are farthest apart

20
Q

Transverse Wave

A

A wave in which the disturbance is perpendicular to the direction of the wave

21
Q

Trough

A

The lowest point on a transverse wave

22
Q

Wave

A

A disturbance that transfers energy from one place to another without transferring matter

23
Q

Wavelength

A

The distance from one point of a wave to the same point on the next wave

24
Q

angle of incidence

A

angle between direction of incoming wave and normal

25
Q

normal

A

angle of line perpendicular to surface

26
Q

angle of reflection

A

angle between direction of reflected wave and normal

27
Q

angle of incidence = ?

A

angle of reflection

28
Q

angle of reflection = ?

A

angle of incidence = ?

22/23 Learning (27 decks)

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