Physical Quantities and Measurement

Multiple Choice

Which of the following best describes a physical quantity?

• A property that can be measured and has magnitude and unit

• A property that cannot be measured

• A property that only has a unit

• A property that only has a magnitude

Match

Match each physical quantity with its correct SI unit.

• Length

• Temperature

• Time

• Mass

• Current

meter

Kelvin

second

kilogram

Ampere

• meter

• Kelvin

• second

• kilogram

• Ampere

Multiple Select

Which of the following are base quantities according to the SI system?

• Mass

• Length

• Force

• Time

Match

Match the following derived quantities with their special unit's name:

• Force
• Energy
• Pressure
• Voltage

Newton

Joule

Pascal

Volt

• Newton

• Joule

• Pascal

• Volt

Multiple Choice

Which metric prefix represents a factor of 10^-6?

• micro

• nano

• milli

• centi

Multiple Select

Select all the correct conversion factors for length from the table.

• 1 m = 39.37 in

• 1 in = 2.54 m

• 1 km = 0.621 mi

• 1 mi = 1.609 km

Multiple Choice

When converting 24 m/s to km/h, what is the final answer?

• 86.4 km/h

• 1.44 km/h

• 0.4 km/h

• 666.7k