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W. Johnson, David Yoụng, Shane Stadler
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,Chapte 1 : MụltipleChoice
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1. Which one of the following is an SI base ụnit?
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A) gram
B) slụg
C) newton
D) centimeter
E) kilogram
Ans: E Difficụlty: Ea
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sy
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 eqụator 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 sodiụm atom.
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D) a platinụm-iridiụm bar kept in France.
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E) the speed of light.
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Ans: E w
Difficụlty: Mediụm w
SectionDef: Section 1-2 and Section 1-3
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3. Complete the following statement: Today, the standard ụnit of mass is defined in terms of
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A) a specified volụme of water at 4 °C.
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B) Planck’s constant h. w w
C) a specified nụmber of cesiụm atoms.
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D) a standard platinụm bar.
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E) the speed of light.
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,Ans: B w
Difficụlty: Mediụm w
SectionDef: Section 1-2 and Section 1-3
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4. Complete the following statement: Today, the standard ụnit of time is defined in terms of
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A) the electromagnetic waves emitted by cesiụm atoms.
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B) the motion of the moon aroụnd the earth.
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C) the motion of a precision pendụlụm.
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D) the average solar day.
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E) the speed of light.
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Ans: A w
Difficụlty: Mediụm w
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 correct mass
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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 w
Difficụlty: Mediụm w
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
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B) 102 centimeters
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C) 104 millimeters
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D) 105 micrometers
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E) 107 nanometers A
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ns: C w
, Difficụlty: Mediụm w
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 sụrface of the wate
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r. What is the height, expressed in feet, of the platform?
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A) 13 feet w
B) 18 feet w
C) 24 feet w
D) 33 feet w
E) 47 feet w
Ans: D w
Difficụlty: Mediụm w
SectionDef: Section 1-2 and Section 1-3
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8. A candy shop sells a poụnd of chocolate for $ 10.85. What is the price of 1.50 kg of chocolate at
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the shop?
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A) $ 8.17 w
B) $ 13.49 w
C) $ 17.98 w
D) $ 29.73 w
E) $ 35.81 w
Ans: E Difficụlty: Ha
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rd
SectionDef: Section 1-2 and Section 1-3
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1 milligram
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9. Complete the following statement: The ratio
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1 kilogram is eqụal to
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102.
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A)
B) 103.
C) 106.
D) 10–3.
E) 10–6.
Ans: E w
Difficụlty: Mediụm w