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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Significant Figures: In the product A Â B Â C, A has 5 significant figures, B has 2 significant figures, and C has 3 significant figures. How many significant figures does the product have? A) 10 B) 4 C) 5 D) 2 E) 3 Answer: D 2) Significant Figures: In the quotient A B Â C , A has 5 significant figures, B has 2 significant figures, and C has 3 significant figures. How many significant figures does the quotient have? A) 1 B) 0 C) 2 D) 3 E) 4 Answer: C 3) Significant Figures: In the sum A + B + C , A is accurate to 5 decimal places, B is accurate to 2 decimal places, and C is accurate to 3 decimal places. What is the correct number of decimal places in the sum? A) 4 B) 3 C) 10 D) 2 E) 5 Answer: D 4) Significant Figures: In the difference A - B - C , A is accurate to 5 decimal places, B is accurate to 2 decimal places, and C is accurate to 3 decimal places. What is the correct number of decimal places in the difference? A) 4 B) 3 C) 0 D) 5 E) 2 Answer: E 5) Significant Figures: How many significant figures are in the number 0.0037010? A) seven B) five C) six D) eight E) four Answer: B 6) Significant Figures: How many significant figures are in the number 0.010? A) two B) three C) one D) four Answer: A 7) Significant Figures: How many significant figures are in the number 120.070? A) five B) three C) four D) six Answer: D 8) Significant Figures: The number of significant figures in 10,001 is A) five. B) two. C) six. D) three. Answer: A 1 Chapter 1 (Test Bank) (For Complete File, Download link at the end of this File) (College Physics A Strategic Approach, 4e Randall Knight, Jones, Gield) 1 / 4
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9) Significant Figures: The number of significant figures in 0.01500 is A) four. B) five. C) two. D) three. Answer: A 10) Significant Figures: The number of significant figures in 0.040 is A) four. B) one. C) three. D) two. Answer: D SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 11) Significant Figures: Which of the following numbers has 4 significant figures; which has 5 significant figures? (a) 3001 (b) 0.00370 (c) 4774.00 (d) 29.290 Answer: (a) has 4 significant figures; (d) has 5 significant figures 12) Significant Figures: In a parallel universe, the quantity Œ has the value 3.14049… . Express Œ in that universe to (a) four significant figures (b) five significant figures. Answer: (a) 3.140 (b) 3.1405 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 13) Metric System: The metric system is preferred over the British system in science for the following main reason. A) The metric system is more precise than the British system. B) Metric quantities are natural whereas British quantities are invented. C) Metric quantities can be defined more accurately than the quantities in the British system. D) Conversions between metric quantities are especially easy because they are all related by factors of ten. Answer: D 14) Dimensional Analysis: When adding several quantities A) the quantities can have any combination of units. B) the quantities must all have exactly the same units. C) the quantities must all be dimensionless. Answer: B 15) Dimensional Analysis: When multiplying several quantities A) the quantities can have any combination of units. B) the quantities must all have exactly the same units. C) the quantities must all be dimensionless. Answer: A 2 3 / 4
16) Dimensional Analysis: When dividing several quantities A) the quantities can have any combination of units. B) the quantities must all have exactly the same units. C) the quantities must all be dimensionless. Answer: A 17) Dimensional Analysis: When subtracting several quantities A) the quantities can have any combination of units. B) the quantities must all have exactly the same units. C) the quantities must all be dimensionless. Answer: B 18) Estimation: A reasonable estimate for the mass of a typical female college student is A) 200 kg. B) 20 kg. C) 150 kg. D) 50 kg. Answer: D 19) Estimation: A reasonable estimate for the height of an ordinary adult male is A) 300 cm. B) 200 cm. C) 50 cm. D) 70 cm. Answer: B 20) Estimation: A reasonable estimate for the mass of a typical new-born baby is A) 1 kg. B) 20 kg. C) 3 kg. D) 10 kg. Answer: C 21) Estimation: A reasonable estimate for the height of the walls in an ordinary American home is A) 2.5 m. B) 8 m. C) 10 m. D) 1.5 m. Answer: A 22) Estimation: A reasonable estimate for the duration of a typical physics lecture is A) 1000 s. B) 10,000 s. C) 3500 s. D) 600 s. Answer: C 23) Estimation: A reasonable estimate for the mass of an ordinary passenger car is A) 1000 kg B) 10,000 kg C) 100 kg D) 5000 kg Answer: A 24) Significant Figures: What is the product of 12.56 and 2.12 expressed to the correct number of significant figures? A) 27 B) 26.627 C) 26.6 D) 26.23 Answer: C 25) Significant Figures: What is the quotient of 2.43 ÷ 4.561 expressed to the correct number of significant figures? A) 5.3 × 10 -1 B) 5.33 × 10 -1 C) 5.3278 × 10 -1 D) 5.328 × 10 -1 Answer: B 3
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