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20 questions
Light reflected off a mirror causes a
Regular reflection
Diffuse reflection
Light reflected off textured glass causes a
Regular reflection
Diffuse reflection
A __________________ is an image of a distant object produced by the refraction of light through air layers of different densities.
Mirage
Reflection
_______________ contains more than one wavelength, and its waves do not travel with their crests and troughs aligned.
Coherent light
Incoherent light
Total internal occurs when light traveling from one medium to another is completely reflected at the boundary between the two materials.
Reflection
Refraction
______ has light waves that vibrate in only one direction.
Optical light
Polarized light
Unpolarized light
Optical fibers use ______ to transmit light waves over long distances
Coherent light
Incandescent light
Total internal reflection
The color of an object is determined by the ______ of the light it reflects
Frequency
Wavelengths
Brightness
Rod and ______ cells are light-sensitive cells found in the retina of the human eye
Cone
Convex
Cornea
Mirrors can be identified as:
Opaque
Translucent
Transparent
Clear plastic wrap can be identified as:
Opaque
Translucent
Transparent
Windows can be identified as:
Opaque
Translucent
Transparent
A filament is heated until it glows; these lights are often used in home light fixtures.
Tungsten-halogen lights
Incandescent light bulb
Neon lights
Sodium vapor lights
Electric current flowing through a tube creates vivid lights; they are often used for signs and decorations.
Tungsten-halogen lights
Incandescent light bulb
Neon lights
Sodium vapor lights
A tungsten filament is housed inside a quartz bulb; these lights are often used on movie sets or in underwater photography.
Tungsten-halogen lights
Incandescent light bulb
Neon lights
Sodium vapor lights
A mixture of neon, argon, and sodium metal is heated; these lights are often used for streetlights
Tungsten-halogen lights
Incandescent light bulb
Neon lights
Sodium vapor lights
The primary ______________ colors are magenta (red), cyan (blue), and yellow
Rainbow
Pigment
Normal
Because ______________ are the nerve cells in the retina that are sensitive to dim light, they help you see at night.
Cornea
Cochlea and eardrum
Rods and Cones
Which side of the visible light spectrum has less energy with a longer wavelength?
Red
Violet
Which side of the visible light spectrum has more energy with a shorter wavelength?
Red
Violet
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