6. Scientific Skills
Uncertainty — Quiz
Test your understanding of uncertainty with 5 practice questions.
Practice Questions
Question 1
When combining measurements through multiplication or division, which of the following quantities are added to determine the uncertainty of the result?
Question 2
A student measures the length of a pendulum as $L = 0.95 \text{ m}$ with an absolute uncertainty of $ \pm 0.02 \text{ m}$. What is the percentage uncertainty in this measurement?
Question 3
Which of the following best describes the resolution of a measuring instrument?
Question 4
If a measurement is reported as $ (15.0 \pm 0.5) \text{ cm}$, what does the $0.5 \text{ cm}$ represent?
Question 5
A student measures the mass of an empty beaker as $50.2 \text{ g}$ and then measures the mass of the beaker with a liquid as $125.8 \text{ g}$. If the balance has an absolute uncertainty of $ \pm 0.1 \text{ g}$ for each reading, what is the absolute uncertainty in the mass of the liquid?