W. Johnson, David Young, Shane Stadler
Chapter: Chapter 1
Multiple Choice
1. Which one of the following is an SI base unit?
A) gram
B) slug
C) newton
D) centimeter
E) kilogram
Ans: E
Difficulty: Easy
SectionDef: Section 1-2 and Section 1-3
2. Complete the following statement: Today, the standard meter is defined in terms of
A) the distance from the earth's equator to the north pole.
B) the wavelength of light emitted from a krypton atom.
C) the wavelength of light emitted from a sodium atom.
D) a platinum-iridium bar kept in France.
E) the speed of light.
Ans: E
Difficulty: Medium
SectionDef: Section 1-2 and Section 1-3
3. Complete the following statement: Today, the standard unit of mass is defined in terms of
A) a specified volume of water at 4 °C.
B) Planck’s constant h.
C) a specified number of cesium atoms.
D) a standard platinum bar.
E) the speed of light.
,Ans: B T
Difficulty: Medium T
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 T
Difficulty: Medium T
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
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the correct mass of the raindrop in grams?
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A) The raindrop has a mass of 4 × 106 grams.
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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 × 10–1 grams.
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D) The raindrop has a mass of 4 × 103 grams.
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E) The raindrop has a mass of 4 × 10–6 grams.
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Ans: B T
Difficulty: Medium T
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 meters T
B) 102 centimeters
T
C) 104 millimeters
T
D) 105 micrometers
T
E) 107 nanometers
T
Ans: C
T T
,Difficulty: Medium T
SectionDef: Section 1-2 and Section 1-3
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7. In a diving competition, a woman dives from a platform that is ten meters above the surface
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of the water. What is the height, expressed in feet, of the platform?
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A) 13 feet T
B) 18 feet T
C) 24 feet T
D) 33 feet T
E) 47 feet T
Ans: D T
Difficulty: Medium T
SectionDef: Section 1-2 and Section 1-3
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8. A candy shop sells a pound of chocolate for $ 10.85. What is the price of 1.50 kg
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of chocolate at the shop?
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A) $ 8.17
T
B) $ 13.49
T
C) $ 17.98
T
D) $ 29.73
T
E) $ 35.81
T
Ans: E T
Difficulty: Hard
T T
SectionDef: Section 1-2 and Section 1-3
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1 milligram
T
9. Complete the following statement: The
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1 kilogram is equal to
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T T
ratio
T
A) 102.
B) 103.
C) 106.
D) 10–3.
E) 10–6.
Ans: E T
Difficulty: Medium T
, SectionDef: Section 1-2 and Section 1-3
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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
T
Difficulty: Hard
T T
SectionDef: Section 1-2 and Section 1-3
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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
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B) kilometers and kilograms T T
C) miles and kilometers
T T
D) slugs and kilograms
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E) centimeters and yards T T
Ans: B
T
Difficulty: Easy
T T
SectionDef: Section 1-2 and Section 1-3
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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
T
Difficulty: Medium T
SectionDef: Section 1-2 and Section 1-3
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