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(This file is shared by Philip Ronan under the Creative Commons Attribution-Share Alike 3.0 Unported license.) |
Electromagnetic Waves | Source |
Radio Wave | Electrical oscillating circuit (consists of a capacitor and a conductor connected in series) |
Microwave | The oscillating electrical charge in a microwave transmitter |
Infrared | Hot bodies, the sun and fires |
Visible Light | The sun, hot objects, fires, light bulbs, fluorescent tubes |
Ultraviolet | Very hot objects, the sun, mercury vapour lamps |
X-ray | X-ray tubes where high energy electrons bombarding a metal plate. |
Gamma Ray | Radioactive substances |