Kinetic Theory - Jamb Physics Past Questions and Answers

Question 1:

• JAMB 1980

The water at the bottom of a waterfall is slightly warmer than that at the top because part of the

A. Potential energy raises the water temperature
B. Water absorbs latent heat from the atmosphere
C. Kinetic energy is changed intyo internal energy
D. Dropping mass of water increases the heat capacity
E. A and C above

Question 2:

• JAMB 1989

From the kinetic theory of gases, temperature is a

A. Form of energy and is proportional to the total kinetic energy of the molecules
B. Form of energy and is proportional to the average kinetic energy of the molecules
C. Physical property and is proportional to the total kinetic energy of the molecules
D. Physical property and is proportional to the average kinetic energy of the molecules

Question 3:

• JAMB 1995

The equation P^xV^yT^z = constant in charles' law when

A. X = 1, y = -1, z = 1
B. X = 0, y = 1, z = -1
C. X = 1, y = 0, z = -1
D. X = 0, y = 1, z = 1

Question 4:

• JAMB 1997

What happens when a gas expands at constant temperature?

A. Its pressure decreases
B. The total momentum of its molecules remains constant
C. Its pressure decreases and the total momentum of its moleculees remains constant
D. Its pressure decreses and the total kinetic energy of its molecule decreases

Question 5:

• JAMB 1998

One valid assumption of the kinetic theory of gasses is the

A. The molecules of a gas are constantly in a state of motion and the number of collision remains constant
B. The number of molecule of gas increases with increasing pressure
C. As the temperature increases, the number of collision made by the gas molecule remains constant
D. The molecules of gas are all identical and are very small in size