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Questão 1
Questão
Electromagnetic waves can transfer energy without a(n)
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medium
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electric field
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magnetic field
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change in either a magnetic or an electric field
Questão 2
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a transverse wave
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a longitudinal wave
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an electromagnetic wave
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an ocean wave
Questão 3
Questão
In order for a wave to form, energy must cause a substance to
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diffract
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rarefy
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compress
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vibrate
Questão 4
Questão
The form of energy given off by a vibrating object is
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sound energy
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electrical energy
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light energy
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electromagnetic energy
Questão 5
Questão
How are waves classified as either longitudinal or transverse?
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by size, color, shape, strength, and intensity
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by the amount of vibration through the air
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by how they move and by the medium through which they travel
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by the amount of electromagnetism they contain
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