6. Experimental Methods
Measurement — Quiz
Test your understanding of measurement with 5 practice questions.
Practice Questions
Question 1
When multiplying two measurements, $A = 2.5 \text{ m}$ and $B = 3.45 \text{ m}$, what is the area $A \times B$ reported with the correct number of significant figures?
Question 2
A student uses a stopwatch to measure the time it takes for a ball to fall. They record $1.23 \text{ s}$, $1.25 \text{ s}$, and $1.22 \text{ s}$ in three trials. What is the average time, and how should it be reported considering significant figures?
Question 3
Which of the following scenarios best illustrates the concept of precision in measurement?
Question 4
A student measures the mass of an object as $5.67 \text{ g}$ and its volume as $2.3 \text{ cm}^3$. What is the density of the object, reported with the correct number of significant figures?
Question 5
Which of the following is the most appropriate way to report a measurement of $12.00 \text{ cm}$ if the measuring instrument has a precision of $0.01 \text{ cm}$?