Chapter 11 - Electromagnetic Waves Flashcards
consists of a vibrating electric field and a vibrating magnetic field
Electromagnetic Wave
Electromagnetic wave carry ________ ________?
Radiant Energy
How fast do electromagnetic waves travel?
300,000 km/s
Electromagnetic waves travel more _______ in matter
Slowly
The speed of an electromagnetic wave depends on…?
The material
Electromagnetic waves can behave as particles called…?
Photons
Electromagnetic waves with wavelengths longer than 10cm
Radiowave
Electromagnetic waves with wavelengths between 0.1 mm and 30 cm.
Microwave
Electromagnetic waves with wavelengths between one thousandth of a meter and 700-billionth of a meter.
Infrared Wave
The range of electromagnetic waves that you detect with your eyes.
Visible Light
Electromagnetic waves with wavelengths from 400-billionths to 10-billionths of a meter
Ultraviolet Wave
UV waves can enter _____
Cells
Electromagnetic waves from 10-billionth to 10-trillionth of a meter
X-ray
X-rays have _____ wavelengths than UV rays
Shorter
Electromagnetic waves with wavelengths shorter than 100-trillionth of a meter
Gamma Ray