NCERT Book PDF Class 11 Physics Chapter 13 Oscillations

Download the Class 11 Physics Chapter 13 Oscillations NCERT Book PDF, the official 2026-27 NCERT textbook chapter. It builds the mathematics of simple harmonic motion that carries into waves, AC circuits and modern physics, and it drives the numericals you meet in the Boards, JEE Main, JEE Advanced and NEET.

• Official NCERT 2026-27 chapter, clean and print-ready.
• Covers periodic motion, simple harmonic motion, energy in SHM and the simple pendulum.
• Read it alongside the solved exercises and the formula sheet linked below.

This Class 11 Physics Chapter 13 Oscillations NCERT Book PDF is the official 2026-27 NCERT text, checked page by page against the latest edition.

What Class 11 Physics Chapter 13 Oscillations Covers

The chapter builds oscillatory motion from the ground up. It moves from periodic motion to simple harmonic motion, links it to uniform circular motion, then treats velocity, force, energy and the simple pendulum. The official NCERT sections are listed below.

Key Concepts You Will Study

Students should read the chapter with a pen and note each relation as it appears. The ideas set up the language of amplitude, phase and period used across physics.

• The meaning of period, frequency, amplitude and phase in periodic motion.
• The displacement equation of SHM and its link to a reference circle.
• Velocity and acceleration in SHM and where each is maximum or zero.
• The force law F = -kx and the resulting expression for the time period.
• Energy in SHM and the time period of a simple pendulum.

Why Download the NCERT Book PDF for This Chapter

The NCERT textbook is the single most important source for the CBSE exam, and most JEE and NEET questions from this chapter are built directly on its examples.

• Every Board question on SHM and the pendulum comes from this text.
• The worked examples show the correct way to read amplitude and phase from an equation.
• Reading offline from the PDF avoids missing any graph or derivation.

How to Use the NCERT Book PDF for Oscillations

Read the chapter once fully, then work through it a second time with the exercises open. A short, ordered plan keeps the many trigonometric forms straight.

• Read each section, then write its key formula in your own words in a single line.
• Sketch the displacement, velocity and energy graphs yourself before checking the figures.
• Solve the in-text examples before looking at the given solution.
• Attempt the back exercises, then check them against the NCERT Solutions below.

Other Class 11 Physics Oscillations Resources

Pair the textbook PDF with the solved answers, revision notes and formula sheet for the same chapter.

FAQs on Class 11 Physics Chapter 13 NCERT Book PDF