Physics Quiz

Which of the following is the unit of mass in the International System of Units (SI)?

• Kilogram

• Pound

• Gram

• Newton

What is the instrument used to measure mass by comparing an unknown mass to known masses?

• Vernier calipers

• Micrometer screw-gauge

• Measuring cylinder

• Beam balance

What term describes the size of a physical quantity in terms of its power of fundamental quantities?

• Unit

• Measurement

• Dimension

• Magnitude

What is the unit of time in the International System of Units (SI)?

• Second

• Minute

• Hour

• Day

What is the term for the extent to which a measurement approaches the true value of the quantity being measured?

• Precision

• Accuracy

• Tolerance

• Error

Which of the following is a time-measuring device that uses the oscillations of a pendulum?

• Stopwatch

• Clock

• Sundial

• Hourglass

Which of the following represents a fundamental physical quantity?

• Length

• Speed

• Density

• Pressure

What device is used to measure length, area, and volume by sliding a movable jaw along a fixed scale?

• Vernier calipers

• Micrometer screw-gauge

• Measuring cylinder

• Meter rule

What are physical quantities that are derived from fundamental quantities?

• Combinations

• Scalars

• Vectors

• Dimensions

Which of the following methods is used for simple estimation of errors in measurements?

• Significant figures

• Standard form

• Percent error

• Uncertainty principle