electromagnetic spectrum Flashcards
1
Q
what is the electromagnetic spectrum
A
different types of light
2
Q
what does increased frequency do
A
shorter wavelengths, more dangerous
3
Q
whats the structure of an electromagnetic wave
A
it has an electric and magnetic field
4
Q
how are electromagnetic waves use in medicine
A
in x rays and ultrasounds. they are also in machines to help detect and treat forms of cancer
5
Q
how do electromagnetic waves send data
A
through modem and modulation
