Post Utme Physics Past Questions and Answers

Question 861:

The absolute temperature of the perfect gas is proportional to the average

A. Potential energy of the molecules
B. Separation between molecules
C. Kinetic energy of the molecules
D. Velocity of the molecules

Question 862:

A room is heated by means of a charcoal fire. An occupant of the room standing away from the fire is warmed mainly by ____________

A. Convection
B. Radiation
C. Conduction
D. Refection

Question 863:

Which of the following is true of sound and light waves?

A. They both transmit energy
B. They both need a medium for propagation
C. They are both transverse waves
D. Their velocities in air are equal

Question 864:

The image in a pinhole camera is ____________

A. Erect and formed by refraction through the lens
B. Virtual and formed by dispersion
C. Erect and gets sharper as the hole becomes larger
D. Inverted and formed by the light from each point travelling in a straight line

Question 865:

Which of the following obeys Ohm's law?

A. Glass
B. Diode
C. All electrolytes
D. All metals