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WorksheetsError Propagation
Total questions: 10
Worksheet time: 13mins
Systematic errors lead to a lack of:
accuracy in the measurement.
significant digits in the measurement.
precision in the measurement.
gradation of the measuring instrument
Random errors lead to a lack of:
accuracy in the measurement.
significant digits in the measurement.
precision in the measurement.
gradation of the measuring instrument
What is the mass and uncertainty indicated by this electronic balance?
198.61 ± 0.01 g
198.61 ± 0.02 g
198.61 ± 0.05 g
198.61 ± 0.005 g
What is the uncertainty in newtons for this scale on a force spring scale?
± 0.03 N
± 0.1 N
± 0.05 N
± 0.01 N
The length of the side of a cube is 2.0 cm ± 4 %. The mass of the cube is 24.0 g ± 8 %. What is the percentage uncertainty of the density of the cube?
± 2 %
± 8 %
± 12 %
± 20 %
2.64A±1.5%
Work out the following calculation and quote the final answer with an absolute uncertainty.
67.2 ± 0.1 + 38.5 ± 0.3
Work out the following calculation and quote the final answer with an absolute uncertainty.
0.0257 ± 0.002 – 0.0120 ± 0.002
Work out the percentage uncertainties for each of the following quantity.
20.2 ± 0.1
0.004%
0.0495%
0.5%
None of the above
Which of the following measurements have been quoted with respect to uncertainty correctly? Check all that apply.
0.1930 ± 0.0001
63.27 ± 5
10.9 ± 0.12
118 ± 5
