Electromagnetic Waves Flashcards
What is the relationship between wavelength and frequency?
They are inversely proportional
Whats the speed at which electromagnetic waves travel in a vacuum?
300,000,000/3*10(8)
What are the different wavelengths(colours) in visible light?
Red,Orange,Yellow,Green,Blue,Indigo,Violet
What waves in the electromagnetic spectrum are ionising?
Ultra Violet, X-Rays, Gamma Rays
What waves in the electromagnetic spectrum are used in communication?
Radio waves, Micro waves
Where do Gamma Rays come from?
Radioactive decay
Where does Visible Light, Ultra Violet, X-Rays come from?
Electrons dropping down energy levels
Where does Infra Red come from?
Bonds Holding Molecules Together Vibrating
What happens when waves coke into contact with something?
They Can Be Reflected, Absorbed, or Transmitted or a combination of these three
