Physical Science

Chapter 13: Light

Light Self-Check Quiz-Eng.

1
Which word describes materials that transmit only some of the light that strikes them?
A)diffuse
B)translucent
C)opaque
D)transparent
2
The light waves in this illustration are called _______.

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A)diffracted
B)incoherent
C)coherent
D)high-energy
3
The light waves in this illustration could be produced by _______.

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A)a laser
B)an incandescent light bulb
C)a prism
D)the Sun
4
What happens when light travels from air into water at an angle?
A)The light is refracted.
B)The light changes color.
C)The light is reflected.
D)The light speeds up.
5
Why does grass look green?
A)It absorbs green light.
B)It reflects green light.
C)It reflects all colors of light except green.
D)It reflects all colors of light except red.
6
What part of the eye enables you see when there is very little light?
A)cones
B)lens
C)retina
D)rods
7
When the primary colors of light are added together, the color represented by the letter H is _______.

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A)black
B)cyan
C)white
D)yellow
8
When the primary colors of light are added together, what color is represented by the letter G?

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A)brown
B)cyan
C)purple
D)yellow
9
Which of the following light sources does not rely on the flow of an electric current through a gas to produce light?
A)fluorescent light
B)incandescent light
C)neon light
D)sodium-vapor light
10
In a fluorescent light, electrons collide with atoms to produce _______.
A)ultraviolet light
B)gamma rays
C)infrared light
D)visible light
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