Physical Science

Chapter 13: Light

Section 2 Self-Check Quiz-Eng.

1.
Which of the following colors of visible light has the longest wavelength?
A)yellow
B)blue
C)red
D)violet
2.
When visible light passes through a prism, why does red light bend the least?
A)Longer wavelengths are refracted more by a prism than shorter wavelengths.
B)Longer wavelengths are refracted less by a prism than shorter wavelengths.
C)Shorter wavelengths cannot pass through a prism.
D)Longer wavelengths cannot pass through a prism.
3.
The greater the difference in densities of air layers is, __________ .
A)the less the light passing through is refracted
B)the greater the angle of incidence of light passing through them
C)the less the angle of incidence of light passing through them
D)the more the light passing through is refracted
4.
What determines the color of an object?
A)the wavelength of light it absorbs
B)the wavelength of light it reflects
C)the index of refraction of the object
D)the index of diffraction of the object
5.
If a transparent blue filter is placed over a camera lens, what happens to visible light entering it?
A)All colors of visible light pass through the filter and enter the camera lens.
B)Blue light is transmitted by the filter to the camera, and other colors of light are absorbed by the filter.
C)Blue light is absorbed by the filter, and the other colors of visible light enter the camera lens.
D)Blue light is reflected by the filter away from the camera, and the other colors of visible light enter the camera.
6.
The part of the eye where light is focused is called the __________ .
A)pupil
B)lens
C)iris
D)retina
7.
Which of the following types of cells is located in the retina?
A)cone
B)olfactory
C)conjunctiva
D)sclera
8.
Which of the following cells is most useful at night?
A)rod
B)red cone
C)green cone
D)blue cone
9.
A __________ is a colored material that absorbs some colors and reflects others.
A)filter
B)pigment
C)laser
D)prism
10.
Which cone cells absorb yellow light?
A)red and green
B)red and yellow
C)blue
D)blue and yellow
11.
The three primary colors of pigment appear __________ when they are mixed.
A)white
B)gray
C)black
D)brown
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