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Syllabus

Oscillations — Syllabus

CBSE · Class 11 · Physics

What Oscillations covers in CBSE Class 11 Physics: 4 topics, for the 2026-27 session. Part of the CBSE Class 11 Physics syllabus.

133 questions64 flashcards11 formulas & key relations5 concepts

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4 Topics · CBSE Class 11 Physics · 2026-27

Topics in Oscillations

1

1. Periodic Motion, Oscillatory Motion, and Basic Terms

  • Periodic motion repeats itself after equal intervals of time.
  • Oscillatory motion is a to-and-fro motion about a mean position.
  • Every oscillatory motion is periodic, but every periodic motion need not be oscillatory.
2

2. Simple Harmonic Motion

  • SHM is the simplest form of oscillatory motion.
  • In SHM, displacement varies sinusoidally with time.
  • The restoring force is directly proportional to displacement from the mean position and is directed towards the mean position.
3

3. SHM and Uniform Circular Motion

  • SHM can be understood as the projection of uniform circular motion on a diameter.
  • A particle P moving uniformly on a circle of radius A with angular speed ω has a projection P' that executes SHM.
  • Projection on the x-axis and y-axis differ in phase by π/2.
4

4. Velocity and Acceleration in SHM

  • Velocity and acceleration in SHM are also sinusoidal.
  • Velocity leads displacement by a phase of π/2.
  • Acceleration is opposite to displacement and leads displacement by a phase of π.

Key Concepts

Central concept: Oscillations

Periodic motionOscillatory motionSimple harmonic motionCircular motion connectionVelocity and acceleration in SHMForce law for SHMEnergy in SHMSimple pendulum

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Frequently Asked Questions

What are the important topics in Oscillations for CBSE Class 11 Physics?
Key topics in Oscillations include Periodic Motion, Oscillatory Motion, and Basic Terms, Simple Harmonic Motion, SHM and Uniform Circular Motion, Velocity and Acceleration in SHM. Study these first, then practise questions on each for Class 11 exams.
How should I revise Oscillations for Class 11 exams?
Learn the core ideas first, then work through the 133 practice questions on Oscillations. 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.

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All CBSE Class 11 Physics Syllabus

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