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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 16:
A sonometer wire is vibrating at frequency fo. If the tension in the wire is doubted while the length and the mass per unit length are kept constant, the new frequency of vibration is
  • A <sup style='font-size: smaller;'>f<sub style='font-size: smaller;'>o</sub></sup>/<sub style='font-size: smaller;'>2</sub>
  • B 2f<sub style='font-size: smaller;'>o</sub>
  • C <sup style='font-size: smaller;'>f<sub style='font-size: smaller;'>o</sub></sup>/<sub style='font-size: smaller;'>√2</sub>
  • D F<sub style='font-size: smaller;'>o</sub>√2
View Answer & Explanation
Question 17:
The correct position for a fuse in the diagram above is
  • A Between P and Q
  • B Q
  • C S
  • D P
View Answer & Explanation
Question 18:
Vibration in a stretched spring cannot be polarized because they are
  • A Stationary waves
  • B Transverse waves
  • C Longitudinal waves
  • D Mechanical waves
View Answer & Explanation
Question 19:
The instantaneous value of the induced e.m.f as a function of time is ε = εo sin ωt where εo is the peak value of the e.m.f. The instantaneous value of the e.m.f., one quarter of the period is
  • A 0.00
  • B <sup style='font-size: smaller;'>ε<sub style='font-size: smaller;'>o</sub></sup>/<sub style='font-size: smaller;'>4</sub>
  • C <sup style='font-size: smaller;'>ε<sub style='font-size: smaller;'>o</sub></sup>/<sub style='font-size: smaller;'>2</sub>
  • D ε<sub style='font-size: smaller;'>o</sub>
View Answer & Explanation
Question 20:
If a body mass 5kg is thrown vertically upwards with velocity u,at what height will the potential energy equal to the kinetic energy?
  • A H =(u)<sup style='font-size: smaller;'>2</sup>/g
  • B H = (u)<sup style='font-size: smaller;'>2</sup>/4g
  • C H = (2u)<sup style='font-size: smaller;'>2</sup>/g
  • D H = (u)<sup style='font-size: smaller;'>2</sup>/2g
View Answer & Explanation