Units and Measurements Quiz

What is the SI unit of length?

• Ampere

• Second

• Metre

• Kilogram

Which of the following is a unit of mass?

• Astronomical unit

• Quintal

• Parsec

• Light year

What is the distance travelled by light in vacuum in one year called?

• Astronomical unit

• Light year

• Micron

• Parsec

What is the value of 1 Parsec in light years?

• 10 ly

• 9.46 ly

• 3.26 ly

• 1.5 ly

Which of the following is NOT a type of error in measurements?

• Quantitative errors

• Systematic errors

• Random errors

• Personal errors

What is the basic unit of time?

• Minute

• Hour

• Second

• Day

What is the range of variation of mass mentioned?

• 10^-30 kg to 10^55 kg

• 10^-20 kg to 10^60 kg

• 10^-15 kg to 10^45 kg

• 10^-25 kg to 10^50 kg

Which system uses centimeter, gram, and second as base units?

• SI System

• MKS System

• CGS System

• FPS System

What is the percentage error formula?

• ΔX/Xmean × 10

• ΔX/Xmean

• ΔX/Xmean × 100

• ΔX/X × 100

What is the unit for expressing small distances like 1 nanometre?

• Micron

• Fermi

• All of the above

• Angstrom