EM Spectrum Lesson

All the electromagnetic wave wavelengths make up the _______________ ______________________.

• visible light spectrum

• total spectrum

• electromagnetic spectrum

• vision spectrum

EM waves with the longest wavelength and lowest frequency and energy are

• radio waves

• microwaves

• infrared light

• visible light

Waves that have an electric and magnetic field

• Longitudinal wave

• compressional wave

• electromagnetic wave

• sound wave

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• F

• G

• H

• J

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Which color has the lowest frequency?

• red

• green

• blue

• violet

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• red light

• orange light

• green light

• blue light

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Which type of EM wave has the least energy?

• Radio

• Infrared

• Visible

• Gamma

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This type of electromagnetic wave carries the greatest amount of energy. 

• x-rays

• gamma rays

• infrared rays

• visible light

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Which has a higher frequency?

• visible light

• ultraviolet rays

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Both X-rays and gamma rays have higher frequencies than ultraviolet rays.

• True

• False

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