Unit 7 Review
A.
B.
C.
D.
E.
Convex lens
Convex mirror
Concave lens
Concave mirror
Plane mirror
A.
B.
C.
D.
E.
Convex lens
Convex mirror
Concave lens
Concave mirror
Plane mirror
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do = 15 cm, f = 9.0 cm, di = 30 cm
A. 0.5
B. 0.6
C. 2.0
D. -0.6
E. -2.0
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do = 15 cm, f = 9.0 cm, di = 30 cm
A. 0.5
B. 0.6
C. 2.0
D. -0.6
E. -2.0
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Which of the following sets of characteristics
describes the image formed by a plane mirror?
A) real and inverted
B) real and upright
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C) virtual and upright
D) virtual and inverted
E) All of the previous statements can be correct.
#4
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Which of the following sets of characteristics
describes the image formed by a plane mirror?
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A) real and inverted
B) real and upright
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C) virtual and upright
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D) virtual and inverted
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E) All of the previous statements can be correct.
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If the magnification of an image from a mirror
is negative, which of the following is correct?
A) The image is upright and the mirror is
convex.
B) The image is inverted and the mirror is
convex.
C) The image is inverted and the mirror is
concave.
D) All of the previous answers can be correct.
E) None of the previous answers is correct.
#6
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If the magnification of a mirror is negative, which of
the following is correct?
A) The image is upright and the mirror is convex.
B) The image is inverted and the mirror is convex.
C) The image is inverted and the mirror is concave.
D) All of the previous answers can be correct.
E) None of the previous answers is correct.
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Indicate the formula and circle the variable
solved for in the following situations:
A candle is located 20 cm from a lens that is fat
in its middle and skinny at its ends. What is
the focal point of this lens if an image is formed
30 cm from the lens on a paper screen?
#9
A candle is located 20 cm from a lens that is
fat in its middle and skinny at its ends. What
is the focal point of this lens if an image is
formed 30 cm from the lens on a paper screen?
1/do + 1/di = 1/f
1/20 + 1/30 = 1/f
12 cm = f
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A convex mirror has a radius of curvature of
24.0 cm. What is its focal length?
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A convex mirror has a radius of curvature of
24.0 cm. What is its focal length?
2|f |= R
|f | = R/2 = 24 cm/2 = 12 cm
Since divergent mirror,
insert negative: -12 cm
C
F
The image location, orientation, &
magnification are…
A: Beyond C, upright, larger than object
B: Between C and F, inverted, larger than object
C: At F, upright, same size as object
D: Behind the mirror, inverted, smaller than ob.
E: Behind the mirror, upright, larger than object
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C
F
The image location, orientation, &
magnification are…
A: Beyond C, upright, larger than object
B: Between C and F, inverted, larger than object
C: At F, upright, same size as object
D: Behind the mirror, inverted, smaller than ob.
E: Behind the mirror, upright, larger than object
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C
F
If F = 30 cm and the object is located 15.0 cm in
front of the mirror, the image location is
A: 30 cm behind the mirror
B: 15 cm behind the mirror
C: 15 cm in front of the mirror
D: 30 cm in front of the mirror
E: No image exists
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C
F
If F = 30 cm and the object is located 15.0 cm in
front of the mirror, the image location is
A: 30 cm behind the mirror
B: 15 cm behind the mirror
C: 15 cm in front of the mirror
D: 30 cm in front of the mirror
E: No image exists
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The image location, orientation, & size are…
A: In front of the lens at 2f, upright, smaller
B: In front of the lens at f, inverted, larger
C: Behind lens at f, inverted, larger
D: Behind lens between f and 2f, inverted, smaller
E: Behind lens beyond 2f, inverted, larger
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The image location, orientation, & size are…
A: In front of the lens at 2f, upright, smaller
B: In front of the lens at f, inverted, larger
C: Behind lens at f, inverted, larger
D: Behind lens between f and 2f, inverted, smaller
E: Behind lens beyond 2f, inverted, larger
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If f = 15 cm and the object is located 45 cm in front
of the lens, determine the image location:
A: 45 cm behind the lens
B: 22.5 cm behind the lens
C: 15 cm behind the lens
D: 15 cm in front of the lens
E: 22.5 cm in front of the lens
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If f = 15 cm and the object is located 45 cm in front
of the lens, determine the image location:
A: 45 cm behind the lens
B: 22.5 cm behind the lens
C: 15 cm behind the lens
D: 15 cm in front of the lens
E: 22.5 cm in front of the lens
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The primary colors for light addition are
A: green, yellow, and blue
B: blue, green, and red
C: yellow, magenta, and cyan
D: blue, yellow, and green
E: any two light colors that combine to make white
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The primary colors for light addition are
A: green, yellow, and blue
B: blue, green, and red
C: yellow, magenta, and cyan
D: blue, yellow, and green
E: any two light colors that combine to make white
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The primary colors for light subtraction are
A: green, yellow, and blue
B: blue, green, and red
C: yellow, magenta, and cyan
D: blue, yellow, and green
E: any two light colors that combine to make white
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The primary colors for light subtraction are
A: green, yellow, and blue
B: blue, green, and red
C: yellow, magenta, and cyan
D: blue, yellow, and green
E: any two light colors that combine to make white
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If a shirt appears magenta in white light, what will
it look like when yellow light shines on it?
A: blue
B: red
C: magenta
D: yellow
E: green
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If a shirt appears magenta in white light, what will
it look like when yellow light shines on it?
A: blue
B: red
C: magenta
D: yellow
E: green
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Blue and yellow light combine to make white light.
What other two colors are such complementary
colors?
A: blue and green
B: red and magenta
C: magenta and green
D: cyan and yellow
E: red and blue
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Blue and yellow light combine to make white light.
What other two colors are such complementary
colors?
A: blue and green
B: red and magenta
C: magenta and green
D: cyan and yellow
E: red and blue
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