Electromagnetic Waves Lesson

Cell phones, televisions and radios use ______radiation

• radio wave

• tv wave

• Gamma wave

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The speed of light (radiation) is _________km/second.

• 3,000

• 300

• 300,000

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These are the only wavelengths the human eye can see:

• X-rays

• Radio Waves

• Visible Light

• Gamma Waves

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The frequency of waves is measured in

• meters

• Hertz

• kilograms

• inches

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High frequency equals

• high energy

• low energy

• no change in energy

• none of the above

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The distance between 2 crests or troughs

• wavelength

• amplitude

• frequency

• wave speed

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Electromagnetic waves________________travel through space.

• Never

• Cannot

• Can

• Wish they could

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light is the only type of EM wave detected by the human eye.

• Red

• Gamma

• Microwave

• Visible

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Wavelengths on the right side of the Electromagnetic spectrum are ______________.

• short

• long

• average

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The higher the frequency the ______ the energy. 

• higher

• lower

• neither, stays the same

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