Question

The unit of speed is $m/s$. It is a _______ unit.

• A. SI unit
• B. derived
• C. length
• D. time

Answer 1

The correct option is B derived

$\text{Speed}=\frac{\text{Length(m)}}{\text{Time(s)}}$
So, the unit of speed is $m/s$. Since the unit of speed is derived from SI units, it is called derived unit.