Number of waves produced per second
The speed of a wave can be calculated using the wave equation:
speed = frequency × wavelength
Waves
Uses
Gamma rays
Treat cancer, radioactive source
X-rays
X-ray photographs to examine bones, metal objects for cracks, luggage at airports
Ultra-violet rays
Fluorescent tubes
Visible light
Lasers
Infrared rays
Remote controls in TV’s, cameras, satellites, telescopes
Microwaves
Microwave ovens, radar
Radiowaves
AM, FM radio
Electrical Symbols
These are…
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