NEW
Font size
WorksheetsProblem of the Day - Measurement & Uncertainty REVIEW
Total questions: 15
Worksheet time: 8mins
Determine the number of significant figures: 409.10
3
4
5
6
Determine the number of significant figures:
308,000
3
4
5
6
Determine the number of significant figures:
30 860
3
4
5
6
Determine the number of significant figures:
0.00056030
3
4
5
6
What is the answer in correct significant figures for (18.462 J/s) x (11.29 s) = 208.43598 J?
208.436 J
208.44 J
208.4 J
208 J
What best describes the collection of data points shown on the target, where the bulls-eye represents the desired results.
Accurate and Precise
Precise but not Accurate
Accurate but not Precise
Not Precise or Accurate
Which of these groups of data are the most precise?
12.8 cm, 12.2 cm, 9.4 cm
0.253 cm, 0.252 cm, 0.254 cm
105 N, 110 N, 74 N
74 N, 65 N, 81 N
What is the uncertainty in the measurement 2.28 cm?
+ 0.05 cm
+ 0.5 cm
+ 0.005 cm
+ 0.0005 cm
The first length measured in a laboratory experiment is 2.5 + 0.1 m and the second length 3.4 + 0.1 m. If 2.5 + 0.1 m is added to 3.4 + 0.1 m, what is the uncertainty of the calculated length (final answer)?
+ 0.1 m
+ 0.2 m
+ 0.3 m
+ 0.4 m
The first length measured in a laboratory experiment is 2.5 + 0.1 m and the second length 3.4 + 0.1 m. If 2.5 + 0.1 m is subtracted from 3.4 + 0.1 m, what is the uncertainty of the calculated length (final answer)?
+ 0.1 m
+ 0.2 m
+ 0.3 m
+ 0.4 m
if you use an uncalibrated electronic balance in the lab, what type of error is most likely to occur?
human
experimental
systematic
random
A student measures the length of their desk with a meterstick ruler multiple times. They get 1.21 m, 1.215 m, 1.22 m, 1.205 m. Which best describes this range of results?
systematic error
random error
A student measures the acceleration due to gravity to be 10.0 s2m . The accepted value is 9.81 s2m . What is the percent error?
1.90%
1.94%
0.019%
2.02%
What is the percent error in an experiment where the calculated energy is 1.0058 J and the accepted value is 1.01 J?
0.418 %
4.18 %
4.16 %
0.416%
If a student wants to measure 24.0 mL of water with the least amount of uncertainty, they should use _____________________.
three 10 mL graduated cylinders
one 25 mL graduated cylinder
one 50 mL graduated cylinder
one 100 mL graduated cylinder
