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13 terms

Energy /Light

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Electromagnetic Energy
the only type of energy that can travel through empty space, it does not need a medium
Electromagnetic Spectrum
the entire range of electromagnetic energy, including radio waves, x rays, microwaves, and visible light
color
produces by light of various wavelengths, when light strikes an object and reflects back to the eyes
concave
a lens that is thinner in the middle than the edges
convex
a lens that is thicker in the middle than at the edges
opaque
reflects or absorbs all of the light allowing none to pass through
reflection
the process where light bounces off an object
refraction
the bending of a wave as it enters a new medium at an angle
ROYGBIV
the spectrum of light (red, orange, yellow, green, blue, indigo, violet)
translucent
permitting light to pass through but diffusing it so that objects on the opposite side are not clearly visible
transparent
allowing light to pass through freely so that one can see clearly
ultraviolet rays
electromagnetic waves with wavelengths shorter than visible light but longer than x-rays
visible light
electromagnetic waves that can be seen with the unaided eye