Jamb Physics 1985 Past Questions and Answers

Question 1:

• JAMB 1985

Which of the following is NOT a fundamental S.I unit?

A. Meter
B. Ampere
C. Kelvin
D. Seconds
E. Radian

Question 2:

• JAMB 1985

Which of the following is NOT a fundamental S.I unit?

A. Meter
B. Ampere
C. Kelvin
D. Seconds
E. Radian

Question 3:

• JAMB 1985

A simple pendulum with a period of 2.0s has its length doubled. Its new period is

A. 1.00s
B. 1.41s
C. 0.3s
D. 2.83s
E. 4.00s

Question 4:

• JAMB 1985

Which of the following statements are true about the spring balance and the chemical balance? i. both are used to measure the mass of an object. ii. either of them may be used to measure the weight of an object. iii. the spring balance works on the principle of Hooke's law while the chemical balance works on the principle of moments. iv. a change in gravity does the readings of a spring balance but not that of a chemical balance.

A. I, and iv
B. Ii and iii
C. Ii and iv
D. I, ii and iii
E. I and iii

Question 5:

• JAMB 1985

Which of the following types of motion are oscillatory? i.a diving board when used by a diver. ii. the motion of the balance wheel of a wrist watch. iii. the motion of the turn-table of a record player. iv. the motion of the center of a ten kobo piece as it rolls down an inclined plane. v. the motion of the needle of a D.C. ammeter into which a low A.C. current is passed

A. I and ii
B. I, ii and iii
C. Ii, ii and iv
D. I, ii and v
E. Iii, iv and iv