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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