Electromagnetic Waves Quiz

What is the definition of electromagnetic waves?

• Longitudinal waves that require a medium

• Transverse waves that can travel through a vacuum

• Waves that only travel through solids

• Waves that require water to propagate

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NGSS.HS-PS4-3

How are electromagnetic waves formed?

• By the movement of water molecules

• By the change in temperature

• By the change in electric and magnetic fields

• By the vibration of sound waves

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What is the speed of electromagnetic waves in a vacuum?

• 150,000 km/s

• 300,000 km/s

• 450,000 km/s

• 600,000 km/s

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NGSS.HS-PS4-1

What is the relationship between wavelength and frequency as you go from radio waves to gamma rays?

• Wavelength increases, frequency decreases

• Wavelength decreases, frequency increases

• Both wavelength and frequency increase

• Both wavelength and frequency decrease

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NGSS.HS-PS4-1

Which type of electromagnetic wave has the longest wavelength?

• Microwaves

• Infrared Waves

• Radio Waves

• Visible Light

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NGSS.HS-PS4-1

What is a common use of microwaves?

• Night vision

• Cooking food

• MRI

• Communication satellites

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NGSS.HS-PS4-5

Which of the following is a source of infrared waves?

• Stars

• Radar

• Sun

• Lightning

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NGSS.HS-PS4-3

What is a characteristic of radio waves?

• Can cause heating

• Highest frequency

• Non-ionizing

• Shorter than microwaves

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NGSS.HS-PS4-4

Infrared waves are felt as what?

• Light

• Sound

• Heat

• Cold

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What is the order of colors in visible light?

• Blue → Green → Yellow → Orange → Red → Indigo → Violet

• Red → Orange → Yellow → Green → Blue → Indigo → Violet

• Violet → Indigo → Blue → Green → Yellow → Orange → Red

• Green → Yellow → Orange → Red → Blue → Indigo → Violet