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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