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Chapter 2 Review
Test Description: Light interaction and the eye.
Instructions: Answer all questions to get your test result.
1) Apples appear red because
A
red light is transmitted
B
red light is reflected
C
red light is absorbed
D
red light is refracted
2) The lens of the eye bends light in such a way that objects
A
appear upside down on the back of the eye
B
change colors
C
appear blurred
D
appear right side up
3) The law of reflection states that
A
the angle of reflection equals the angle of incidence
B
reflection occurs when an object or wave bounces off a surface through which it cannot pass.
C
the color of an opaque object is the color of the light it reflects
D
convex mirrors reflect parallel rays of light
4) The layer of cells that line the inside of the eyeball is called the
A
cornea
B
lens
C
sclera
D
retina
5) The clear transparent front surface of the eye
A
sclera
B
iris
C
pupil
D
cornea
6) This sends electric signals to the brain
A
optic nerve
B
lens
C
sclera
D
retina
7) The colored ring of muscle that contracts and expands to change light let in the eye
A
iris
B
pupil
C
cornea
D
vitreous humor
8) The curved structure that refracts light
A
retina
B
vitreous humor
C
aqueous humor
D
lens
9) This color of light has the shortest wavelength and highest frequency
A
green
B
violet
C
red
D
yellow
10) This color of visible light has the longest wavelength and shortest frequency
A
violet
B
orange
C
red
D
indigo
*select an answer for all questions
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