Test Bank: Physics: Principles With Applications 7Th Edition By Douglas C. Giancoli | Questions And Answers | Complete Study Guide | 100% Verified | A+ Guarantee

,Chapter 1 Introduction, Measurement, Estimating


Conceptual Questions

1) Four students measure the mass of an object, each using a different scale. They record their
results as follows:

Student A B C D
Mass (g ) 49.06 49 50 49.2

Which student used the least precise scale?
A) A
B) B
C) C
D) D
Answer: C
Diff: 1 Page Ref: Sec. 1.4


2) Four students measure the mass of an object, each using a different scale. They record their
results as follows:

Student A B C D
Mass (g ) 49.06 49 50 49.2

Which student used the most precise scale?
A) A
B) B
C) C
D) D
Answer: A
Diff: 1 Page Ref: Sec. 1.4


3) A useful method of expressing very small or very large numbers is
A) scientific notation.
B) arabic numerals.
C) the metric system.
D) roman numerals.
Answer: A
Diff: 1 Page Ref: Sec. 1.4




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,Chapter 1: Introduction, Measurement, Estimating



4) All of the following are base units of the SI system except:
A) kilogram.
B) kelvin.
C) meter.
D) volt.
Answer: D
Diff: 1 Page Ref: Sec. 15-1.6


5) Select the list which contains only SI basic units.
A) liter, meter, second, watt
B) joule, kelvin, kilogram, watt
C) candela, kelvin, meter, second
D) joule, newton, second, watt
Answer: C
Diff: 1 Page Ref: Sec. 1.5-1.6


6) How many basic units does the SI system have?
A) four
B) five
C) seven
D) ten
Answer: C
Diff: 1 Page Ref: Sec. 1.5-1.6


7) The base SI unit of time is
A) hour.
B) minute.
C) second.
D) millisecond.
Answer: C
Diff: 1 Page Ref: Sec. 1.5-1.6


8) In the CGS system, what are the fundamental units?
A) Newton, centimeter, second
B) kilogram, meter, second
C) gram, centimeter, minute
D) gram, centimeter, second
Answer: D
Diff: 2 Page Ref: Sec. 1.5-1.6




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, Physics: Principles with Applications, Sixth Edition



9) The metric prefix for one one-thousandth is
A) milli.
B) centi.
C) kilo.
D) mega.
Answer: A
Diff: 1 Page Ref: Sec. 1.5-1.6


10) The metric prefix for one one-hundredth is
A) milli.
B) centi.
C) kilo.
D) mega.
Answer: B
Diff: 1 Page Ref: Sec. 1.5-1.6


11) The metric prefix for one thousand is
A) milli.
B) centi.
C) kilo.
D) mega.
Answer: C
Diff: 1 Page Ref: Sec. 1.5-1.6


12) Express the number 0.02 days using a prefix of Table 1-4.
A) 2 decidays
B) 2 centidays
C) 2 millidays
D) 2 microdays
Answer: B
Diff: 1 Page Ref: Sec. 1.5-1.6


13) What is the conversion factor between km/h and m/s?
A) 0.0278 m/s
B) 0.278 m/s
C) 3.60 m/s
D) 16.7 m/s
Answer: B
Diff: 1 Page Ref: Sec. 1.5-1.6




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