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Science-Electromagnetic Spectrum

Terms in this set (31)

Hertz
Unit of frequency
Frequency
The amount of waves completed in a given point of time/one second
Reflection
The bouncing of a wave off another object
Wavelength
Distance between corresponding points on two waves
Refraction
Bending of light waves when they pass through another substance
Crest
Highest point of a wave
Trough
Lowest point of a wave
Photon
Bundles of energy
Light
Type of electromagnetic radiation
Prism
A material that separates white light into colors
Index of refraction
Tells how much a ray of light will bend as it travels through a given material
Angle of Incidence
The angle at which a ray of light strikes a surface
Angle of Reflection
the angle at which a ray "bounces off" a surface
Visible Light Spectrum
A continuous band of colors arranged according to wavelength or frequency
What are the colors of the Electromagnetic Spectrum?
RED ORANGE YELLOW GREEN BLUE INDIGO VIOLET
Electromagnetic Waves are classified by?
Photons, Wavelength and Frequency
Do Electromagnetic waves need a medium to travel through?
No
The Electromagnetic Spectrum
Is the arrangement of different forms of light waves by Frequency and Wavelength
White light reflects
all colors
Black light reflects
No colors
Waves
Is a disturbance of energy from one place to another
What does a thermostat show?
The different frequencies of colors
When light waves come into contact with matter three things happen
Reflected-bounced back
Absorbed-taken in
Transmitted-send from place to place
Rough surfaces
absorb light
Smoother Surface=
the more accurate the reflection
Transmission
Something passes through certain objects
Transparent
allowing light to pass through; easily recognized or understood; easily seen through or detected
Translucent
permitting light to pass through, but not transparent
Opague
not letting light through
Plane mirror
Produces a virtual image
Convex Mirror
a mirror with a surface that curves outward
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