Units, Dimensions, and Errors Quiz

Which of the following is a derived unit for velocity?

• N

• m/s

• kg

• m

What is the SI unit for mass?

• kilogram

• metre

• ampere

• second

What is the dimensional formula for force?

• [M L² T-2]

• [M L-1 T-2]

• [M L T-2]

• [M L T-1]

What is the SI unit for temperature?

• joule

• watt

• kelvin

• pascal

What type of error is described as a consistent, reproducible error?

• Absolute Error

• Systematic Error

• Gross Error

• Random Error

Which of the following represents the unit of pressure?

• kg·m/s²

• N/m²

• J

• W

What is the formula for calculating relative error?

• |Measured - True|

• Deltax / x

• Sum|Deltax| / n

• Deltax_mean = |x_i - x|

What is the SI unit for luminous intensity?

• cd

• mol

• A

• K

Which quantity has the dimensional formula [M L² T-2]?

• Power

• Pressure

• Work/Energy

• Force

What is the formula for absolute error?

• Deltax = |x_i - x|

• Deltax_mean = Sum|Deltax| / n

• Deltax / x

• (Deltax / x) x 100%