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W. Johnson, David Young, Shane Stadler
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Chapter: Chapter 1
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Multiple Choice
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1. Which one of the following is an SI base unit?
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A) gram
B) slug
C) newton
D) centimeter
E) kilogram
Ans: E h
Difficulty: Easy
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SectionDef: Section 1-2 and Section 1-3
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2. Complete the following statement: Today, the standard meter is defined in terms of
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A) the distance from the earth's equator to the north pole.
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B) the wavelength of light emitted from a krypton atom.
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C) the wavelength of light emitted from a sodium atom.
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D) a platinum-iridium bar kept in France.
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E) the speed of light.
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Ans: E h
Difficulty: Medium h
SectionDef: Section 1-2 and Section 1-3
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3. Complete the following statement: Today, the standard unit of mass is defined in terms of
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A) a specified volume of water at 4 °C.
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B) Planck’s constant h. h h
C) a specified number of cesium atoms.
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D) a standard platinum bar.
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E) the speed of light.
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,Ans: B
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Difficulty: Medium h
SectionDef: Section 1-2 and Section 1-3
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4. Complete the following statement: Today, the standard unit of time is defined in terms of
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A) the electromagnetic waves emitted by cesium atoms.
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B) the motion of the moon around the earth.
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C) the motion of a precision pendulum.
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D) the average solar day.
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E) the speed of light.
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Ans: A
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Difficulty: Medium h
SectionDef: Section 1-2 and Section 1-3
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5. The mass of a raindrop is 4 milligrams. Which one of the following statements indicates the
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correct mass of the raindrop in grams?
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A) The raindrop has a mass of 4 × 106grams.
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B) The raindrop has a mass of 4 × 10–3 grams.
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C) The raindrop has a mass of 4 × 10–1grams.
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D) The raindrop has a mass of 4 × 103grams.
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E) The raindrop has a mass of 4 × 10–6grams.
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Ans: B
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Difficulty: Medium h
SectionDef: Section 1-2 and Section 1-3
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6. Which one of the following is the longest length?
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A) 100 metersh
B) 102centimeters
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C) 104 millimeters
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D) 105micrometers
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E) 107 nanometers
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Ans: C
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,Difficulty: Medium h
SectionDef: Section 1-2 and Section 1-3 h h h h h
7. In a diving competition, a woman dives from a platform that is ten meters above the surface of
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the water. What is the height, expressed in feet, of the platform?
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A) 13 feet h
B) 18 feet h
C) 24 feet h
D) 33 feet h
E) 47 feet h
Ans: D h
Difficulty: Medium h
SectionDef: Section 1-2 and Section 1-3 h h h h h
8. A candy shop sells a pound of chocolate for $ 10.85. What is the price of 1.50 kg of
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chocolate at the shop?
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A) $ 8.17
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B) $ 13.49
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C) $ 17.98
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D) $ 29.73
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E) $ 35.81
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Ans: E h
Difficulty: Hard
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SectionDef: Section 1-2 and Section 1-3 h h h h h
1 milligram h
9. Complete the following statement: The ratio 1 kilogram is equal to
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A) 102.
B) 103.
C) 106.
D) 10–3.
E) 10–6.
Ans: E h
Difficulty: Medium h
, SectionDef: Section 1-2 and Section 1-3 h h h h h
10. Which one of the following choices is equivalent to 8.0 m2?
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A) 8.0 × 10–4 cm2
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B) 8.0 × 102 cm2
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C) 8.0 × 10–2 cm2
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D) 8.0 × 104 cm2
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E) 8.0 × 103 cm2
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Ans: D
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Difficulty: Hard
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SectionDef: Section 1-2 and Section 1-3 h h h h h
11. Which one of the following pairs of units may not be added together, even after the
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appropriate unit conversions have been made?
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A) grams and milligrams h h
B) kilometers and kilograms h h
C) miles and kilometers
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D) slugs and kilograms
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E) centimeters and yards h h
Ans: B
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Difficulty: Easy
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SectionDef: Section 1-2 and Section 1-3 h h h h h
12. Which one of the following choices is equivalent to 44.5 mm?
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A) 4.45 × 101 m
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B) 4.45 × 10–2 m
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C) 44.5 × 10–1 m
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D) 44.5 × 10–2 m
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E) 4.45 × 100 m
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Ans: B
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Difficulty: Medium h
SectionDef: Section 1-2 and Section 1-3 h h h h h