Electro Magnetic Waves

Electro-Magnetic Radiation Introduction All objects in our universe give off light, or electro-magnetic radiation. The particle of light is called the Photon. It is characteristics of both a wave and a particle. Photons are characterized by their energy and their wavelength, or their frequency. Light can be thought of as a wave which travels at a certain velocity. The velocity of light. Like an ocean wave, or a sound wave, the light waves can change …

…but some penetrates and causes sunburn 3. Used in laboratories to mutate cells Optical 1. Penetrates the atmosphere and can be seen with our eyes 2. 300-100 nm 4. Colors of the rainbow 5. Sunsets White light is a mixture of all colors. Blue light has a short wave length and red light has long wavelengths Infra-red 1. Longer than red light 2. Some penetrates the atmosphere. Can be felt as heat. Radio 1. Atmosphere is transparent to radio waves. ------------------------------------------------------------------------ **Bibliography** None