Jamb Physics 1980 Past Questions and Answers

Question 1:

• JAMB 1980

Which of the following statements are true of the law of universal gravitation?

A. Any two bodies attract each other with a force which is proportional to the difference of their masses
B. Any two bodies attract each other with a force which is inversely proportional to the square of the distance between them
C. Any two bodies attract each other with a force which is proportional to the product of their masses and inversely proportional to the square of the distance between them
D. Any two bodies attract each other with a force which is proportional to the square of the distance between them
E. Any two bodies attract each other with a force which is proportional to the sum of their masses

Question 2:

• JAMB 1980

Which of the following statements are true of the law of universal gravitation?

A. Any two bodies attract each other with a force which is proportional to the difference of their masses
B. Any two bodies attract each other with a force which is inversely proportional to the square of the distance between them
C. Any two bodies attract each other with a force which is proportional to the product of their masses and inversely proportional to the square of the distance between them
D. Any two bodies attract each other with a force which is proportional to the square of the distance between them
E. Any two bodies attract each other with a force which is proportional to the sum of their masses

Question 3:

• JAMB 1980

Which of the following is true of an electrical charge?

A. Positive charge means deficit electrons
B. Negative charge means excess of electrons
C. Electric current means movement of electrons
D. All of the above
E. A and B only

Question 4:

• JAMB 1980

Which of the following statements are true in the structure of atoms?

A. The atoms of the differnt element differ only in the number of protons and electrons
B. The num,ber of protons equals the number of electrons
C. Atoms are constructed according to the plan of our solar system
D. All of the above
E. A and C only

Question 5:

• JAMB 1980

Which of the following are true of atom?

A. Atoms are indestructible
B. All atoms of a pure substance, or elements are identical
C. Atoms of different substance have different weights
D. All of the above
E. A and B only