Electromagnetic Waves

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What are electromagnetic waves?
They are electric and magnetic disturbances.
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What can electromagnetic waves be used for?
They can be used to transfer energy from a source to an absorber.
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What do electromagnetic waves not transfer?
They don't transfer matter.
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What does the energy they transfer depend on?
It depends on the wavelength of the wave.
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What is the order of the electromagnetic spectrum (from smallest)?
X-rays, gamma rays, ultravoilet, visible light, infared, microwaves and radio waves.
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What speed do electromagnetic waves travel at?
They travel at 3.0x10^8m/s through space in a vacuum.
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What is the equation for wave speed?
wave speed,v (m/s)= frequency,f (Hz) x wavelength,λ (m)
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The shorter the wavelength, the higher the...?
The higher the frequency.
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What happens to the energy of waves as the frequency increases?
As the frequency increases, so does the energy of the wave
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The human eye can only detect what?
The human eye can only detect visible light
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What is the wavelength of visible light?
It ranges from about 350nm to about 650nm.
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Other cards in this set

Card 2

Front

What can electromagnetic waves be used for?

Back

They can be used to transfer energy from a source to an absorber.

Card 3

Front

What do electromagnetic waves not transfer?

Back

Preview of the front of card 3

Card 4

Front

What does the energy they transfer depend on?

Back

Preview of the front of card 4

Card 5

Front

What is the order of the electromagnetic spectrum (from smallest)?

Back

Preview of the front of card 5
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