Physics Form 4 : Measurement

Which of the following physical quantities is not a base quantity?

• Mass

• Length

• Area

• Electric current

Which of the following physical quantities does not matched the correct S.I. unit?

• A

• B

• C

• D

Which of the following physical quantities is a derived quantity?

• Work

• Time

• Mass

• Length

Quantity P is the rate of change of velocity. Which of the following terms of S.I. base unit for quantity P is correct?

• m s^-1

• kg m^-3

• m s^-2

• m² s^-2

Which of the following does not show a unit of momentum?

• Mass x velocity

• Force x time

• Work x distance

• ( Acceleration x time ) / Mass

The unit of pressure and volume are N m^-2 and m³ respectively. The unit for the product of pressure and volume is equivalent to

• Force

• Work

• Acceleration

• Momentum

Which of the following physical quantities is a scalar quantity and a base quantity?

• Area

• Velocity

• Displacement

• Temperature

The statement above shows there are

• two base quantities

• two vector quantities

• two scalar quantities

• one vector and one scalar quantities

The diagram shows a graph of y against x. What is the gradient of the graph?

• - 0.75

• - 1.33

• 0.75

• 1.33

The variation of force, F with the mass, m of an object is represented by the graph above.

Which of the following statements about the graph is correct?

• F is inversely proportional to m

• F is directly proportional to m

• F is a manipulated variable

• m is a responding variable