Question

The distance covered by an object in unit time is called _______________.

• A. Density
• B. Speed
• C. mass
• D. area

Answer 1

The correct option is B

Speed

1. Speed is the distance covered by an object in a unit of time .
2. Speed is a scalar quantity because it has only magnitude but no direction.
3. The formula of Speed is $\frac{Dis\tan ce}{time}$ .
4. SI unit of speed is $\frac{metre\left(m\right)}{second\left(s\right)}.$
   Hence, option B is the correct answer.