Reviewing Technology and the Electromagnetic Spectrum

Which of the following best compares the wavelengths of two types of radiation in the electromagnetic spectrum?

• Radio wave wavelengths are shorter than gamma ray wavelengths.

• Microwave wavelengths are shorter than visible light wavelengths.

• Visible light wavelengths are longer than ultraviolet ray wavelengths.

• Gamma ray wavelengths are longer than ultraviolet ray wavelengths.

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Which list below shows the correct order of the electromagnetic spectrum waves from greatest to least energy?

• Radio waves, Microwaves, X-ray waves

• Microwaves, Radio waves, Ultraviolet waves

• X-ray waves, Visible Light waves, Microwaves

• Visible light waves, Ultraviolet waves, Microwaves

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Which statement below best compares infrared waves to X-ray waves?

• X-ray waves have a longer wavelength, higher frequency and less energy than infrared waves.

• Infrared waves have a longer wavelength, higher frequency and less energy than X-ray waves.

• Infrared waves have a shorter wavelength, lower frequency and greater energy than X-ray waves.

• X-ray waves have a shorter wavelength, higher frequency and greater energy than infrared waves.

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Electromagnetic waves have many common applications. Which of the following options matches a type of electromagnetic radiation with a common application? (select two)

• Microwaves and tanning beds

• Infrared waves and remote control

• Ultraviolet waves and weather radars

• Radio waves and broadcast communications

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Which of the following waves has the most energy?

• radio waves

• infrared waves

• UV waves

• gamma rays

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Which of the following waves has the least amount of energy?

• x-rays

• microwaves

• radio waves

• visible light

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Which of the following waves has the longest wavelengths?

• radio waves

• gamma rays

• infrared

• microwaves

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As the wavelength of the wave increases, the energy of the wave

• decreases

• increases

• remains the same

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Gamma rays can be used

• to treat cancer

• in tanning beds

• in tv remote controls

• in solar panels

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Which portion of the electromagnetic spectrum includes the range of light that can be detected by the human eye? 

• ultraviolet light
• visible light
• infrared light
• x-rays