Keywords of the electromagnetic spectrum

What does absorption mean?
the process in which electromagnetic wave hits a surface and their energy is transferred to the material
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What does electromagnetic spectrum mean?
The continuous series of electromagnetic waves in order of wavelength or frequency
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What does frequency mean?
The number of waves passing a point every second, measured in hertz (Hz)
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What does gamma rays mean?
Electromagnetic waves with the shortest wavelengths.
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What does infared waves mean?
Electromagnetic waves given off by hot objects.
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What does microwaves mean?
Electromagnetic waves that are short-wavelength radio waves.
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What does radio waves mean?
Electromagnetic waves with the longest wavelengths.
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What does reflection mean?
The process in which electromagnetic waves bounce back from a surface
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What does transmission mean?
When a material allow waves to pass through it.
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What does ultraviolet rays mean?
Electromagnetic waves that can be absorbed by certain chemicals and emitted as visible light.
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What does wavelength mean?
The distance between two matching points on neighbouring waves, which is measured in metres
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What does visible light mean?
Electromagnetic waves that are detected by our eyes, allowing us to see.
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What does X-rays mean?
Electromagnetic waves that pass through most materials.
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Other cards in this set

Card 2

Front

What does electromagnetic spectrum mean?

Back

The continuous series of electromagnetic waves in order of wavelength or frequency

Card 3

Front

What does frequency mean?

Back

Preview of the front of card 3

Card 4

Front

What does gamma rays mean?

Back

Preview of the front of card 4

Card 5

Front

What does infared waves mean?

Back

Preview of the front of card 5
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