Physics form 4

2. What do scalar and vector have in common?

• Scalar and vector both have magnitude and direction

• Scalar and vector both have direction

• Scalar and vector both have magnitude

• Scalar and vector are not physical quantity

3. The rate at which velocity changes with time

• Speed

• Velocity

• Acceleration

• Free fall

5.Which of the following is a vector

• length

• volume

• velocity

• work

6.An example of scalar quantity is

• Displacement

• Speed

• Velocity

• Torque

Dimension below refer to which quantity?

 $LT^{-1}$  

• acceleration

• velocity

• momentum

• energy

11.Which one of the following is NOT regarded as a basic quantity in Physics?

• Length

• Mass

• Time

• Weight

All of the following are base units of the SI system except:

• kilogram

• kelvin

• meter

• volt

The base SI unit of time is

• Hour

• Minute

• Second

• Millisecond

Which of the following is a derived quantity:

• Force

• Mass

• Length

• Time

What is the SI unit for temperature?

• Celcius

• Kelvin

• Fahrenheit

• Newton