Electromagnetic Waves Review

What does the electromagnetic spectrum show?

• The entire range of colors

• The entire range of electromagnetic waves

• The different types of photons

• The speed of waves

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What type of energy is transferred by electromagnetic waves?

• Chemical energy

• Elastic energy

• Electrical energy

• Electromagnetic energy

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How fast do electromagnetic waves travel?

• The speed of light

• The speed of sound

• Approximately 1,000 km per hour

• Approximately 100,000 miles per hour

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Which of the following is not a characteristic of electromagnetic waves?

• They are able to travel through empty space

• They all travel at different speeds

• They require a medium such as a solid, liquid, or gas to travel through

• They have a variety of important uses for humans

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What is the frequency of a wave?

• The distance from the crest of a wave to the crest of the next wave

• The height from the midline of a wave to its crest

• The number of waves that pass a certain point each second

• The distance traveled by a wave in a certain amount of time

How do the wavelengths and frequencies of radio waves differ from infrared waves?

• Radio waves have longer wavelengths and higher frequencies than infrared waves

• Radio waves have shorter wavelengths and lower frequencies than infrared waves

• Radio waves have shorter wavelengths and higher frequencies than infrared waves

• Radio waves have longer wavelengths and lower frequencies than infrared waves

Which of the following is not a type of electromagnetic wave?

• Visible light waves

• Sound waves

• X-Rays

• Microwaves

A(n) ____________________ has a very short wavelength that is able to pass through many different materials and is used in medical imaging.

• X-Ray

• Ultrasound

• Microwave

• Radio Wave

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The part of the electromagnetic spectrum that the human eye is able to see is known as ____________________.

• Visible Light

• Ultraviolet Light

• Infrared Light

• X-rays

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Waves that are a part of the energy that comes from the Sun are ____________________ waves.

• Ultraviolet

• Microwave

• Radio

• Infrared