Jamb Physics 1980 Past Questions and Answers

Question 6:

• JAMB 1980

A magnet is similar to a bipolar charged system in that

A. It consists of two opposite poles - the north and south poles
B. The earth's magnetic field has a south pole near the geographical north pole and a north pole near the geographical south pole
C. The force of attraction and repulsion between opposite and between like poles obeys a law for electrostatic charges
D. A and B only
E. A and C only

Question 7:

• JAMB 1980

In the study of physics, temperature and heat are often confused with each other. Which of the following statements correctly defines these two element?

A. Temperature is a measure of the average kinetic energy of the molecules of a substance
B. Heat is a measure of the total kinetic energy of the molecules in a system
C. Different materials require different amounts of heat to cause a given change in temperature
D. All of the above
E. A and B only

Question 8:

• JAMB 1980

A given quantity of heat increases the temperature of 150grams of water from 9^oC to 15^oC and increases the temperature of oil of 100grams from 9^oC to 25^oC. The ratio of the specific heat of oil to that of water is

A. 0.36
B. 0.46
C. 0.56
D. 0.76
E. 0.86

Question 9:

• JAMB 1980

Which of the following physical quantities is NOT a vector?

A. Velocity
B. Work
C. Force
D. Electric field intensity
E. Magnetic induction

Question 10:

• JAMB 1980

The motion of the moving skin of a talking drum can rightly be described as

A. Translational
B. Random
C. Rotational
D. Oscillatory
E. Transitory