Waves And Eletromagnetic Spectrum Flashcards

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1
Q

Wave

A

The transfer of energy without transferring matter

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2
Q

Crest

A

The highest point or peak of a wave

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3
Q

Trough

A

The lowest point or valley of a wave

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4
Q

Amplitude

A

The distance from the resting point to the crest of a wave

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5
Q

Wavelength

A

The distance from crest to crest or trough to trough in a wave

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6
Q

​ Frequency

A

The number of waves that pass a given point in a set period of time

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7
Q

Period

A

Time for a complete cycle to pass a given point

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8
Q

Medium

A

Matter through which a mechanical wave travels

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9
Q

Transverse Waves

A

A wave in which the energy travels perpendicular to the direction of the disturbance

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10
Q

Electromagnetic Wave

A

A wave that does not need a medium to travel through

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11
Q

Longitudinal
Wave

A

A wave in which the energy travels in the same direction as the disturbance

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12
Q

Compression

A

The point in a longitudinal wave where the matter is pushed closer together

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13
Q

Rarefraction

A

The point in a longitudinal wave where the matter is spaced farther apart

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14
Q

R​ eflection

A

When waves strike a surface and bounce back in another direction

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15
Q

​ refraction

A

The bending of waves as they pass through a material

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16
Q

Diffraction

A

Waves spread out as a result of passing through a narrow aperture or around an edge of material