# Chapter 1: Introduction, Measurement, Estimating

62 Questions | Total Attempts: 146  Settings Create your own Quiz • 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 Back to top
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