5.2 electromagnetic waves Flashcards
1
Q
What are electromagnetic waves
A
they are waves that consist of oscillating electric and magnetic fields and the fields are oscillating at 90 degrees to the direction of the wave. They all travel through a vacuum
2
Q
Describe the EM spectrum?
A
R-M-I-V-UV-X-G
they decrease by the power of 2 and start at 10^2
as you progress in increasing frequency the wavelength decreases.
