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Transcript
Chapter 19
Reading Quiz
Dr. Harold Williams
Reading Quiz
1. The units of refractive power are
A.
B.
C.
D.
watts.
m2.
m–1.
joules.
Slide 19-6
Answer
1. The units of refractive power are
A.
B.
C.
D.
watts.
m2.
m–1.
joules.
Slide 19-7
Reading Quiz
2. Accommodation of the eye refers to its ability to
A.
B.
C.
D.
focus on both nearby and distant objects.
move in the eye socket to look in different directions.
see on both the brightest days and in the dimmest light.
see both in air and while under water.
Slide 19-8
Answer
2. Accommodation of the eye refers to its ability to
A.
B.
C.
D.
focus on both nearby and distant objects.
move in the eye socket to look in different directions.
see on both the brightest days and in the dimmest light.
see both in air and while under water.
Slide 19-9
Reading Quiz
3. The magnification of a microscope is increased when
A.
B.
C.
D.
the focal length of the objective lens is increased.
the focal length of the objective lens is decreased.
the focal length of the eyepiece is increased.
the distance between the objective lens and eyepiece is
decreased.
Slide 19-10
Answer
3. The magnification of a microscope is increased when
A.
B.
C.
D.
the focal length of the objective lens is increased.
the focal length of the objective lens is decreased.
the focal length of the eyepiece is increased.
the distance between the objective lens and eyepiece is
decreased.
Slide 19-11
Reading Quiz
4. The fundamental resolution of an optical instrument is set by
A.
B.
C.
D.
the accuracy to which lenses can be polished.
the fact that white light is composed of all visible colors.
the fact that all types of glass have nearly the same index of
refraction.
the wave nature of light.
Slide 19-12
Answer
4. The fundamental resolution of an optical instrument is set by
A.
B.
C.
D.
the accuracy to which lenses can be polished.
the fact that white light is composed of all visible colors.
the fact that all types of glass have nearly the same index of
refraction.
the wave nature of light.
Slide 19-13