Electromagnetic Waves and Light Study Guide

Front

An electromagnetic wave is a ___________________________ that has oscillating electric and magnetic fields.

Back

transverse wave

Front

________________ waves have the longest wavelengths. Options: Microwave, Radio, Infrared, Ultraviolet

Back

Radio

Front

List 3 things that use radio waves.

Back

Television broadcasts, AM/FM radios, GPS devices

Front

____________________ waves are used in cell phones to receive text and other data, in bluetooth headsets, GPS, and Broadband Wireless Internet.

Back

microwave

Front

The only electromagnetic wave the human eye can see is _______________________.

Back

visible light

Front

When all colors are present in equal amounts in the same place you see ______________.

Back

white light

Front

List 3 ways ultraviolet light is harmful:

Back

Causes skin cancer, Damages the eyes, Leads to premature aging of the skin

Front

This type of electromagnetic wave is used for medical imaging and airport security.

Back

X-rays

Front

The electromagnetic waves that have the smallest wavelength & can be used to treat cancer are __________________.

Back

gamma rays

Front

The ________________________________ assigns different technologies to different parts of the radio spectrum to keep wireless communication from interfering with each other.

Back

Federal Communications Commission (FCC)