Structure of Matter and Kinetic Theory - Jamb Physics Past Questions and Answers

Question 11:

• 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 12:

• JAMB 1997

A piece of wire gauze can be made to lie on water because

A. The wire guaze is less dense than water
B. The water molecules repels the wire guaze upwards
C. The water surface has the effect of an elastic thin skin
D. Of the cohensive forces between the water and the wire guaze molecules

Question 13:

• 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 14:

• 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

Question 15:

• JAMB 1999

When temperature of a liquid increases, its surface tension

A. Decreases
B. Increases
C. Remain Constant
D. Increases then decreases