Physical Science

Chapter 14: Mirrors and Lenses

Mirrors and Lenses Self-Check Quiz-Eng.

1
Which of the following describes the image formed by a plane mirror?
A)enlarged
B)virtual
C)inverted
D)real
2
Which of the following describes a light ray that passes above the focal point and then is reflected by the mirror?

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A)It forms a real image.
B)It is reflected back through the focal point.
C)It is reflected back toward the point of origin.
D)It is reflected down and behind the mirror.
3
If the mirror becomes more curved and the focal point moves closer to the mirror, which of the following best describes the reflection of the parallel rays shown in the figure?

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A)They pass through the new focal point.
B)They do not pass through either the old or the new focal point.
C)They pass through the old focal point.
D)They reverse direction.
4
How far is an object from a concave mirror if the image formed is inverted?
A)at least two focal lengths
B)exactly one focal length
C)less than one focal length
D)more than one focal length
5
The eyepiece of a reflecting telescope contains
A)a convex lens.
B)a concave lens.
C)a concave mirror.
D)a convex mirror.
6
How does the image change as the object is moved farther from the lens?<Art: 620_STP_Questions_ta02>
A)It gets smaller.
B)It becomes virtual.
C)It gets larger.
D)It gets closer.
7
Which of the following is the best estimate of the magnification if the image is 125 cm from the lens?<Art: 620_STP_Questions_ta02>
A)0.67
B)0.4
C)1.25
D)1.70
8
How will the object appear at a distance of 150 cm? <Art: 620_STP_Questions_ta02>
A)inverted and reduced
B)upright and enlarged
C)upright and reduced
D)inverted and enlarged
9
What vision problem is shown in this illustration?

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A)astigmatism
B)nearsightedness
C)farsightedness
D)none (vision is normal)
10
A concave lens creates an image that is
A)inverted and smaller.
B)inverted and larger.
C)upright and larger.
D)upright and smaller.
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