The Electromagnetic Spectrum

Name the 6 types of electromagnetic radiation.

The answers are ordered with the shortest wavelengths at the top and largest at the bottom.

Shorter wavelengths mean higher energy and higher penetration (less bounceback)

This quiz includes a subset of one EM radiation type that is commonly mistaken for a separate type

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Last updated: March 24, 2017

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First submitted	March 23, 2017
Times taken	379
Average score	100.0%
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Hints	Radiation type
Emitted by radioactive decay by nuclei (used in PET scans)	Gamma-ray
Able to pass through many materials light can't (not bones)	X-ray
Emitted by the Sun (causes sun burns and tanning)	Ultraviolet
Light that's detectable by human eyes (what you're looking at)	Visible
Emitted by heated objects (seen with night vision goggles)	Infrared
Most often used for heating things (subset of the type below)	Microwave
Used in longdistance sonic communication (emitted from towers)	Radio

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