Quiz on Dimensions, Units, and Measurement

What is the base unit for mass?

• Meter (m)

• Kilogram (kg)

• Ampere (A)

• Newton (N)

Which of the following is a derived unit?

• Newton (N)

• Kilogram (kg)

• Meter (m)

• Second (s)

What does the prefix 'kilo' represent in terms of power of ten?

• 10^2

• 10^1

• 10^6

• 10^3

Which of the following is NOT a base unit?

• Length

• Velocity

• Time

• Mass

What is the primary difference between mass and weight?

• Mass is a vector; weight is a scalar

• Mass is constant; weight varies with gravity

• Mass is measured in Newtons; weight in kilograms

• Mass is a derived unit; weight is a base unit

Identify dimension that have both base and multiple units

• Velocity

• Pressure

• Amount of substance

• Energy

Which of the following units is used to express temperature?

• Kelvin (K)

• Kilogram (kg)

• Meter (m)

• Newton (N)

Convert 15 m/h to mm/s

• 4.167 mm/s

• 41.667 mm/s

• 250 mm/s

• 0.417 mm/s

How is density calculated?

• Mass + Volume

• Volume/Mass

• Mass x Volume

• Mass/Volume

Which of the following statements about derived units is true?

• They are not used in scientific measurements

• They can only be expressed in terms of base units

• They are always larger than base units

• They can be obtained by multiplying or dividing base units