QUIZ 1 (TOPIC 1 &2 )

Which of the following physical quantities is a vector quantity?

• Pressure
• Force
• Volume
• Work

Which of the following quantities is a scalar quantity?

• Displacement
• Work
• Velocity
• Force

Which of the following quantities are vectors?

• Speed, velocity, acceleration
• Velocity, acceleration, force
• Force, acceleration, mass
• Length, mass, time

Which of the following is FALSE about dimensional analysis?

• Technique or method in which the physical quantity can be expressed in terms of combination of basic quantities.
• A measure of physical quantity (without numerical values)
• Dimension on the left hand side of an equation (L.H.S.) equals to the dimension on the right hand side of an equation (R.H.S)
• Dimensions can be added or subtracted

What is the dimension of π?

• L⁻¹T
• ML⁻¹
• ML⁻²
• 1

Mass is a scalar quantity. The dimension of mass is

• [m]
• [M]
• m
• M

Which statement is TRUE about average velocity?

• Rate of change of distance.
• Rate of change of displacement.
• Velocity at a particular instant of time.
• Displacement changes at a particular instant of time.

The area under the graph of a velocity-time graph gives

• Average velocity
• Displacement
• Force
• Acceleration

The rate of change of velocity is called

• Force
• Speed
• Distance
• Acceleration

How do you calculate average velocity?

• A time interval divided by a change of displacement
• A time interval multiply by a change of displacement
• A change of displacement divided by a time interval
• Addition of a time interval and a change of displacement.