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Waves and Light
Dr K! Waves and Light quizlettt
Terms in this set (39)
When light changes speed as it passes obliquely from one medium to another, it will _______.
When light passes from a faster medium to a SLOWER medium, the light will bend (towards / away from) the normal.
When light passes from a slower to medium to FASTER medium, the light will bend (towards / away from) the normal.
When light bends TOWARDS the normal, the angle of incidence is __________ than the angle of refraction.
When light bends AWAY FROM the normal, the angle of incidence is _________ than the angle of refraction.
a virtual image caused by the refraction of light in the atmosphere
Light travels at slightly different speeds in air at different ____________.
a transparent object that will refract light in order to magnify an image
Converging (Convex) Lens
A ___________ (_________) ______ can produce a larger virtual image or a real image.
Diverging (Concave) Lens
A _________ (_________) _____ produces a smaller virtual image.
Total Internal Reflection
the total reflection of light within a denser medium when it strikes the boundary with a less-dense medium at an angle greater than the critical angle
the minimum angle of incidence inside a medium at which a light ray is totally reflected
the separation of light into colors arranged according to frequency
the rate at which light or any other form of energy flows through a given space
Inverse Squared Law
Since light spreads out as it travels, it follows the ___________ ____________ ____.
additive primary colors
Red, Green, and Blue are the three _________ ________ ________.
When all three additive primary colors are added together, we perceive _________ _______.
The addition of two primary colors makes ___________ _______.
Red + Green = ?
Green + Blue = ?
Blue + Red = ?
_______________ ________ are any two colors that produce white light when added together. (primary + secondary)
Light first enters the eye through the __________.
Second, light passes through the ________.
The _______ is a hole in the colorful _____.
After passing through the pupil, light enters into the _______.
rods cones retina
After entering the lens, light strikes ______ and ______ in the _________.
________ are responsible for color vision but require bright light.
______ are more sensitive to dim light, but cannot resolve details well.
The __________ ________ sends signals to the brain where they are interpreted as images.
___________ materials allow light to pass through them in straight lines
__________ materials allow light through but not detailed images.
__________ materials absorb light w/out re-emitting it.
the color of a transparent object depends on the color of the light it transmits
the rate at which light can pass through a material
Higher Optical Density = (slow / fast)
Lower Optical Density = (slow / fast)
the phenomenon in which certain frequencies of light can knock electrons out of a piece of metal
a model of light that represents light traveling through space in an imaginary straight line
Recommended textbook explanations
Jerry S. Faughn, Serway
Paul G. Hewitt
Paul G. Hewitt
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