Chapter 3 Radiation

Which model of light helps explain the photoelectric effect?

• photoelectric model

• particle model

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FM signals travel as changes in

• frequency

• amplitude

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Which electromagnetic waves have the longest wavelengths and lowest frequencies?

• radio waves

• gamma rays

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On AM broadcasts, what remains constant?

• amplitude

• frequency

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The electromagnetic waves with the highest frequencies are called

• radio waves

• gamma rays

The range of electromagnetic waves placed in a certain order is called the

• electromagnetic spectrum

• photoelectron spectrum

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Which waves have some electrical properties and some magnetic properties?

• electromagnetic radiation

• electromagnetic waves

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Global Positioning System signals can tell you

• where you have to go

• your exact location on Earth

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Electromagnetic waves can transfer energy without a(n)

• medium

• wavelength

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In a vacuum, all electromagnetic waves have the same

• speed

• frequency

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