Units and Measurements Quiz-11

1 Exa metre =

1 mg / km = _____ μg / mm.

1 μs / nm = _____ ms / km.

Which of the following are called hand units?

80 kilogram in short form is written as 

In which physical quantity, unit is same in all systems? 

$20 \,cm ^2 =$ ______ $km ^2.$

The area of the town is 20 hectare, then the area in $km^2$ is

$1\,km ^2 =$ _____ $m^2.$

Area of rectangle is