EM WAVES Flashcards
An electromagnetic wave is produced by __________________
accelerating charged particles
The interplay of changing electric and magnetic fields leads to the production of _________
electromagnetic waves
the electric field and the magnetic field vibrating __________ to each other and to the direction of wave propagation
perpendicularly
What kind of waves are electromagnetic waves?
transverse waves
Who predicted the existence of electromagnetic waves?
In 1862, Scottish physicist James Clerk Maxwell
But it was only in 1887, through the efforts of ___________, that those waves (other than light) were observed to exist.
German physicist Heinrich Hertz
In a vacuum, all electromagnetic waves travel at the __________
speed of light
The speed of light is equivalent to ?
3 × 10⁸ m/s
He was considered the Father of Electromagnetic Theory for having formulated laws on electricity and magnetism.
James Clerk Maxwell
The electromagnetic ___________ is the continuous range of electromagnetic waves arranged in order of frequency and wavelength
(EM) spectrum
It is the longest of all electromagnetic waves
Radio waves
an acronym for radio detection and ranging
Radar