Waec Physics 2005 Past Questions and Answers

Question 1:

• WAEC 2005

Which of the following phenomena is the practical evidence for the existence of the continual motion of molecules?

A. Translational motion
B. Rotational motion
C. Brownian motion
D. Oscillatory motion

Question 2:

• WAEC 2005

Which of the following phenomena is the practical evidence for the existence of the continual motion of molecules?

A. Translational motion
B. Rotational motion
C. Brownian motion
D. Oscillatory motion

Question 3:

• WAEC 2005

Each of the following physical quantities is classified as a vector or a scalar quantity. Which of the classifications is correct?

A. Electric potential (Vector)
B. Momentum (scalar)
C. Gravitational field intensity (scalar)
D. Magnetic flux density (vector)

Question 4:

• WAEC 2005

Which of the following statements about a spring balance and/or a chemical balance is not correct?

A. The chemical balance operates on the principle of moments
B. The sprin balance operates on Hooke's law
C. Either may be used to measure the weight of a substance
D. The reading of a spring balance changes over the surface of the earth, while that of the chemical balance remaind constant

Question 5:

• WAEC 2005

The friction which exists between two layers of liquid in relative motion is called

A. Capillarity
B. Surface tension
C. Viscosity
D. Cohension