Physics Lab Quiz

What is the primary purpose of significant figures in measurements?

• To simplify calculations

• To represent precision

• To determine magnitude

• To measure volume

What does the term "accuracy" refer to in physics measurements?

• Closeness to the true value

• Consistency in results

• Range of measurement

• Difference between trials

Which of the following tools provides the highest precision for measuring small objects?

• Ruler

• Vernier caliper

• Micrometer caliper

• Beam balance

What is the SI unit for length?

• Inch

• Foot

• Meter

• Centimeter

If a measurement is , what is the maximum possible value?

• 12.39

• 12.34

• 12.29

• 12.05

When calculating the volume of a cylinder, which formula is used?

A measurement taken with a ruler is recorded as 5.00 cm. How many significant figures does this measurement have?

• 1

• 2

• 3

• 4

Which of the following describes precision?

• Repeatability of measurements

• Closeness to the true value

• Correct use of units

• Magnitude of error

Why is it important to use the appropriate measuring tool for an experiment?

• To ensure reliability of results

• To simplify calculations

• To save time

• To reduce costs

What is the percentage error if the experimental density of an object is and the theoretical density is ?

• 0.23%

• 2.34%

• 1.25%

• 2.56%