Physical Science, New York Edition

Chapter 14: Mirrors and Lenses

Section 2 Self-Check Quiz-Eng.

1.
What is the difference between a lens and a mirror?
A)Lenses reflect light, and light passes through mirrors.
B)Mirrors reflect light, and light passes through lenses.
C)A lens has no focal point.
D)A mirror has no optical axis.
2.
A __________ lens is thicker in the middle than at the edges.
A)concave
B)convex
C)plane
D)spherical
3.
A __________ lens is thinner in the middle and thicker at the edges.
A)concave
B)convex
C)plane
D)spherical
4.
The transparent covering on the human eyeball is called the __________.
A)cornea
B)retina
C)lens
D)iris
5.
The __________ is the inner lining of your eye that has cells for converting light into electrical signals.
A)cornea
B)sclera
C)optic nerve
D)retina
6.
Which of the following conditions occurs when the cornea is curved unevenly?
A)nearsightedness
B)farsightedness
C)blindness
D)astigmatism
7.
Which of the following concave lenses forms a virtual image?
A)object within one focal length
B)object between one and two focal lengths
C)object between two and three focal lengths
D)object beyond three focal lengths
8.
What structure carries electrical signals from the retina to the brain to be interpreted?
A)optic nerve
B)cornea
C)sclera
D)focal point
9.
What type of image is formed on the retina?
A)inverted
B)backwards
C)upright virtual
D)upright real
10.
What kind of lens is helpful to nearsighted people?
A)convex
B)flat
C)concave
D)plane
Physical Science - New York Edition
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