Import Settings: Base Settings: Brownstone Default Information Field: Difficulty Information Field: SectionDef Highest Answer Letter: E Multiple Keywords in Same Paragraph: No 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) a standard platinum -iridium cylinder. C) a specified number of cesium atoms. D) a standard platinum bar. E) the speed of light. Ans: B Difficulty: Medium SectionDef: Section 1 -2 and Section 1 -3 4. Complete the following statement: Today, the standard unit of time is defined in terms of A) the electromagnetic waves emitted by cesium atoms. B) the motion of the moon around the earth. C) the motion of a precision pendulum. D) the average solar day. E) the speed of light. Ans: A Difficulty: Medium SectionDef: Section 1 -2 and Section 1 -3 5. The mass of a raindrop is 4 milligrams. Which one of the following statements indicates the correct mass of the raindrop in grams? A) The raindrop has a mass of 4 × 106 grams. B) The raindrop has a mass of 4 × 10–3 grams. C) The raindrop has a mass of 4 × 10–1 grams. D) The rain drop has a mass of 4 × 103 grams. E) The raindrop has a mass of 4 × 10–6 grams. Ans: B Difficulty: Medium SectionDef: Section 1 -2 and Section 1 -3 6. Which one of the following is the longest length? A) 100 meters B) 102 centimeters C) 104 millimeters D) 105 micrometers E) 107 nanometers Ans: C Difficulty: Medium SectionDef: Section 1 -2 and Section 1 -3 7. In a diving competition, a woman dives from a platform that is ten meters above the surface of the water. What is the height, expr essed in feet, of the platform? A) 13 feet B) 18 feet C) 24 feet D) 33 feet E) 47 feet Ans: D Difficulty: Medium SectionDef: Section 1 -2 and Section 1 -3 8. A candy shop sells a pound of chocolate for $ 10.85. What is the price of 1.50 kg of chocolate at the shop? A) $ 8.17 B) $ 13.49 C) $ 17.98 D) $ 29.73 E) $ 35.81 Ans: E Difficulty: Hard SectionDef: Section 1 -2 and Section 1 -3 9. Complete the following statement: The ratio 1 milligram
1 kilogram is equal to A) 102. B) 103. C) 106. D) 10–3. E) 10–6. Ans: E Difficulty: Medium SectionDef: Section 1 -2 and Section 1 -3 10. Which one of the following choices is equivalent to 8.0 m2? A) 8.0 × 10–4 cm2 B) 8.0 × 102 cm2 C) 8.0 × 10–2 cm2 D) 8.0 × 104 cm2 E) 8.0 × 103 cm2 Ans: D Difficulty: Hard SectionDef: Section 1 -2 and Section 1 -3 11. Which one of the following pairs of units may not be added together, even after the appropriate unit conversions have been made? A) grams and milligrams B) kilometers and k ilograms C) miles and kilometers D) slugs and kilograms E) centimeters and yards Ans: B Difficulty: Easy SectionDef: Section 1 -2 and Section 1 -3 12. Which one of the following choices is equivalent to 44.5 mm? A) 4.45 × 101 m B) 4.45 × 10–2 m C) 44.5 × 10–1 m D) 44.5 × 10–2 m E) 4.45 × 100 m Ans: B Difficulty: Medium SectionDef: Section 1 -2 and Section 1 -3
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