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Sunday, 21 June 2026
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Physics Past Questions and Answers

Topic: Simple Harmonic Motion (S.H.M)

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

Question 11:
A sonometer wire of length 100cm under a tension of 10N, has a frequency of 250Hz. Keeping the length of the wire constant, the tension is adjusted to produce a new frequency of 350Hz. The new tension is
  • A 5.1N
  • B 7.1N
  • C 14.0N
  • D 19.6N
View Answer & Explanation
Question 12:
Which of the following affects the period of a simple pendulum? i. mass of the pendulum bob. ii. length of the pendulum. iii. acceleration due to gravity.
  • A I, ii, and iii
  • B Ii and iii only
  • C I and iii only
  • D I and ii only
View Answer & Explanation
Question 13:
Which of the following with respect to a body performing simple harmonic motion are in phase?
  • A Displacement and velocity of the body
  • B Displacement and force on the body
  • C Velocity and acceleration of the body
  • D Force acting on the body and the acceleration
View Answer & Explanation
Question 14:
Under constant tension and constant mass per unit length, the note produced by a plucked string is 500Hz when the length of the string is 0.90m. At what length is the frequency 150Hz?
  • A 3m
  • B 4m
  • C 5m
  • D 6m
View Answer & Explanation
Question 15:
A simple pendulum has a period of 17.0s. When the length is shorten by 1.5m, its period is 8.5s. Calculate the original length of the pendulum
  • A 4.0 m
  • B 3.0 m
  • C 2.0 m
  • D 1.5 m
View Answer & Explanation