Question

Which of the following measurement is not measured in SI base unit?

• A. $5m$of cloth
• B. $20s$of time
• C. Surface area of $25c{m}^2$
• D. $2kg$of Silver

Answer 1

The correct option is C Surface area of $25c{m}^2$

The SI base units are seven units of measure from which all other SI units can be derived. The SI unit of area is $m^2$, but here surface area is given in $c{m}^2$. The SI unit of length is $metre$, SI unit of time is $seconds$ and SI unit of mass is $kilogram$.