Wave Notes Flashcards

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0
Q

Medium

A

The material that awave moves through.

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1
Q

Wave

A

An oscillation that moves from one place to another.

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2
Q

Transverse waves

A

Oscillates perpendicular to the direction that waves move

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3
Q

Longitudinal waves

A

Vibrate in the same direction the waves move.

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4
Q

Crest

A

The high point of a wave.

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5
Q

Trough

A

The low point of a wave.

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6
Q

Compression

A

Compressed portion, high point

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7
Q

Rarefaction

A

Stretched portion, low point

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8
Q

Wavelength

A

Crest to crest

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9
Q

Boundary

A

Where the conditions or the medium changes.

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10
Q

Reflection

A

When the wave bounces and goes into a new direction.

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11
Q

Refraction

A

The wave bends as it passes into and through an object.

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12
Q

Diffraction

A

The wave bends around or through holes in an object

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13
Q

Absorption

A

The wave is absorbed and disappears

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14
Q

Interference

A

When two or more oscillations/waves combine.

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15
Q

Constructive interference

A

When parts of two waves add together

16
Q

Destructive interference

A

When parts of two waves cancel each other out

17
Q

Standing waves

A

A wave that resonates in a confined space.

18
Q

Nodes

A

Points for the medium does not move

19
Q

Antinodes

A

Points in a standing wave that have the greatest amplitude (bumps)

20
Q

Wavelength

A

Length of one cycle

21
Q

Harmonics

A

Natural frequencies a medium oscillates at

22
Q

Fundamental

A

Lowest natural frequency; first harmonic; one bump; one half Lamda

23
Q

Damping

A

A gradual loss of amplitude of a wave

24
Q

Natural frequency

A

A frequency and object naturally vibrates at

25
Q

Four things that can happen when a wave hits a boundary

A

Reflection, refraction, diffraction, and absorprion