Unit 1.1 Flashcards
(8 cards)
What determines the color of light from the transmission source?
Wavelength
How is wave length measured?
As the distance between corresponding parts of two consecutive waves.
What is the common term for the straight line that represents the radius of the wave radiating from the point source?
A ray of light
Define frequency of light.
The number of waves that pass a given point within a given unit of time.
What is another name for frequency?
Hertz
What color do wavelengths from 600-700 nvm give the human eye the sensation of seeing?
Red
What are the three primary colors of light?
Red, Blue, Green
What is the wavelength range of the infrared portion of the spectrum?
700 - 1500 nm