Simple Harmonic Motion (S.H.M) - Jamb Physics Past Questions and Answers

Question 6:

• 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 7:

• JAMB 1986

Which of the following assumptions is made in a simple pendulum experiment? the

A. Suspending string is inextensible
B. Bob has a finite size
C. Bob has a definite mass
D. Initial angle of oscillation must be large

Question 8:

• JAMB 1988

Two strings of the same length and under the same tension gives notes of frequencies in the ratio 4 : 1. The masses of the strings are in the corresponding ratio of

A. 2 : 1
B. 1 : 2
C. 1 : 4
D. 1 : 16

Question 9:

• JAMB 1989

When the tension in a sonometer wire is doubled, the ratio of the new frequency to the initial frequency is

A. \(\frac{1}{\sqrt2}\)
B. \(\frac{1}{2}\)
C. \(\sqrt2\)
D. 2

Question 10:

• JAMB 1989

A simple pendulum of mass m moves along an arc pf a circle radius R in a vertical plane as shown above. What is the work done by gravity in a downward swing through the angle q to 0 degree

A. MgR sinθ
B. MgR (1- cos θ)
C. MgR
D. MgR (1 - sinθ)