Chapter 1: Introduction, Measurement, Estimating

62 Questions | Total Attempts: 146

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Chapter 1: Introduction, Measurement, Estimating - Quiz

Questions and Answers
  • 1. 
    Four students measure the mass of an object, each using a different scale. They record their results as follows: Which student used the least precise scale?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 2. 
    Four students measure the mass of an object, each using a different scale. They record their results as follows: Which student used the most precise scale?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 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.

  • 4. 
    All of the following are base units of the SI system except:
    • A. 

      Kilogram.

    • B. 

      Kelvin.

    • C. 

      Meter.

    • D. 

      Volt.

  • 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

  • 6. 
    How many basic units does the SI system have?
    • A. 

      Four

    • B. 

      Five

    • C. 

      Seven

    • D. 

      Ten

  • 7. 
    The base SI unit of time is
    • A. 

      Hour.

    • B. 

      Minure.

    • C. 

      Second.

    • D. 

      Millisecond.

  • 8. 
    In the CGS sysytem, what are the fundemental units?
    • A. 

      Newton, centimeter, second

    • B. 

      Kilogram, meter, second

    • C. 

      Gram, centimeter, minute

    • D. 

      Gram, centimeter, second

  • 9. 
    The metric prefix for one one-thousandth is
    • A. 

      Milli.

    • B. 

      Centi.

    • C. 

      Kilo.

    • D. 

      Mega.

  • 10. 
    The metric prefix for one one-hundredth is
    • A. 

      Milli.

    • B. 

      Centi.

    • C. 

      Kilo.

    • D. 

      Mega.

  • 11. 
    The metric prefix for one thousand is
    • A. 

      Milli.

    • B. 

      Centi.

    • C. 

      Kilo.

    • D. 

      Mega.

  • 12. 
    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

  • 13. 
    What is the conversion factor between km/h^2 and m/s^2?
    • A. 

      7.72 * 10^(-6) m/s^2

    • B. 

      2.78 * 10^(-1) m/s^2

    • C. 

      1.30 * 10^4 m/s^2

    • D. 

      3.60 m/s^2

  • 14. 
    What is the conversion factor between cm^2 and m^2?
    • A. 

      0.01 m^2/cm^2

    • B. 

      0.0001 m^2/cm^2

    • C. 

      100 m^2/cm^2

    • D. 

      10000 m^2/cm^2

  • 15. 
    The position, x, of an object is given by the equation x = A + Bt + Ct^2, where t refers to time. What are the dimensions og A, B, and C?
    • A. 

      Distance, distance, distance

    • B. 

      Distance, time, time^2

    • C. 

      Distance, distance/time, distance/time^2

    • D. 

      Distance/time, distance/time^2, distance/time^3

  • 16. 
    What is the percent uncertainty in the measurement 2.58 ± 0.15 cm?
    • A. 

      2.9%

    • B. 

      5.8%

    • C. 

      8.7%

    • D. 

      12%

  • 17. 
    What, approximately, is the percent uncertainty for the measurement 5.2?
    • A. 

      1%

    • B. 

      2%

    • C. 

      3%

    • D. 

      4%

  • 18. 
    What is the percent uncertainty in the area of a circle whose radius in 1.8 * 10^4?
    • A. 

      1.1%

    • B. 

      5.6%

    • C. 

      11%

    • D. 

      56%

  • 19. 
    What is the volume, and its approxiamte uncertainty, of a sphere of radius 1.96 ± 0.01 m?
    • A. 

      31.5 ± 0.2 m^2

    • B. 

      31.5 ± 0.3 m^2

    • C. 

      31.5 ± 0.4 m^2

    • D. 

      31.5 ± 0.5 m^2

  • 20. 
    The number of siginificant figures in 10001 is
    • A. 

      Two.

    • B. 

      Three.

    • C. 

      Five.

    • D. 

      Six.

  • 21. 
    The number of significant figures in 0.01500 is
    • A. 

      Two.

    • B. 

      Three.

    • C. 

      Four.

    • D. 

      Five.

  • 22. 
    The number of significant figures in 0.040 is
    • A. 

      One.

    • B. 

      Two.

    • C. 

      Three.

    • D. 

      Four.

  • 23. 
    Which of the following has three significant figures?
    • A. 

      305.0 cm

    • B. 

      0.0500 mm

    • C. 

      1.00081 kg

    • D. 

      8.060 * 10^11 m^2

  • 24. 
    What is the sum of 2.67 + 1.976 + 2.1?
    • A. 

      6.7

    • B. 

      6.75

    • C. 

      6.746

    • D. 

      6.7460

  • 25. 
    What is the difference between 103.5 and 102.24?
    • A. 

      1.3

    • B. 

      1.26

    • C. 

      1.260

    • D. 

      1.2600

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