Electromagnetic Radiation Unit Exam

Which of the following electromagnetic waves has the highest energy? 

• radio waves
• microwaves
• infrared light
• visible light

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Which of the following electromagnetic waves has the lowest energy?

• infrared light

• visible light

• ultraviolet light

• x-rays

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Cell phones use_____________waves.

• Microwaves
• Gamma
• XRays
• Radio 

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Infrared waves are used in__________________.

• Bath tubs
• Microwaves
• Remote Controls
• Tanning

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Cancer can be treated with_______________waves.

• Penicillin
• Radio
• Infrared
• Gamma

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EM waves________________travel through space.

• Never
• Cannot
• Can
• Wish they could

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EM waves _______ travel the same speed in a vacuum. 

• never
• sometimes
• always
• can

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This type of EM wave shows a break in bones.

• gamma ray
• x-ray
• brokenometer
• radio wave

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_______ carry the greatest amount of energy. 

• x-rays
• gamma rays
• infrared rays
• visible light

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_____ have the longest wavelengths and lowest frequencies of all electromagnetic waves.

• microwaves
• radio waves
• gamma rays
• ultraviolet

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