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Refers to the number of complete cycles, crest to crest,or trough to trough that occur per second. Units are the Hertz = Hz
Waves are labeled with positive and negative motion. The _________ is the extreme on the positive (+) side.
The Electromagnetic Spectrum
A group of energy forms including radio waves, microwaves, and gamma rays.
Sir Isaac Newton
Conducted the first experiments using prisms to prove that white light is made of colors.
Waves are labeled with positive and negative motion. The _______ is the extreme on the negative (-) side.
Occurs when a wave crosses a boundary from one medium to another causing the speed of light to change.
A device that works by agitating, then organizing, then energizing particles enough that they stay as a very tight beam of one frequency = one color
The plastic material in the eyepiece of a spectroscope covered with very close, straight lines.
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