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Simple Harmonic Motion — Revision Notes

Telangana Open School (TOSS) · Class 12 · Physics

Simple Harmonic Motion revision notes for Telangana Open School (TOSS) Class 12 Physics: 4 topics in quick points.

42 questions30 flashcards13 formulas & key relations5 concepts

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Key Topics to Revise

1

Periodic and Oscillatory Motion

  • Periodic motion repeats after equal intervals of time (e.g., Earth's orbit).
  • Oscillatory motion is a to-and-fro motion about a mean position (e.g., pendulum).
  • All oscillatory motions are periodic, but not all periodic motions are oscillatory (e.g., circular motion).
2

Simple Harmonic Motion (SHM)

  • SHM occurs when acceleration is proportional to displacement and opposite in direction: a ∝ -x.
  • The general equation of SHM is y = A sin(ωt + φ) or y = A cos(ωt + φ).
  • SHM can be visualized as the projection of uniform circular motion on a diameter.
3

Key Terms in SHM

  • Amplitude (A): Maximum displacement from mean position.
  • Time Period (T): Time for one complete oscillation.
  • Frequency (f): Number of oscillations per second, f = 1/T.
4

Examples of SHM

  • Spring-mass system: Horizontal and vertical oscillations follow SHM.
  • Simple pendulum: For small angles, motion is approximately SHM.
  • Time period of spring-mass system: T = 2π√(m/k).

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Full Notes

Key Concepts

Periodic motion repeats after equal timeSHM occurs when the restoring forceSHM can be visualized asIn SHMDamped oscillations lose energy due

Frequently Asked Questions

What are the important topics in Simple Harmonic Motion for Telangana Open School (TOSS) Class 12 Physics?
Key topics in Simple Harmonic Motion include Periodic and Oscillatory Motion, Simple Harmonic Motion (SHM), Key Terms in SHM, Examples of SHM. Study these first, then practise questions on each for the Telangana Open School (TOSS) Class 12 board exam.
How should I revise Simple Harmonic Motion for the Telangana Open School (TOSS) Class 12 board exam?
Learn the core ideas first, then work through the 42 practice questions on Simple Harmonic Motion. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Simple Harmonic Motion

All Telangana Open School (TOSS) Class 12 Physics Revision Notes

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