Unit 2 • Class 12Physics (Phy.102)
Periodic Motion & Simple Harmonic Motion (SHM)
आवर्ती गति तथा सरल आवर्त गति
Differential equation of SHM, velocity and acceleration, kinetic and potential energy, simple pendulum, vertical oscillations of coiled spring, angular SHM, damped and forced oscillations, and resonance.
Lesson Summary & Objectives
Master the differential equation of simple harmonic motion (SHM), kinematics (displacement, velocity, acceleration), mechanical energy conservation, time period of simple pendulum and mass-spring systems, and resonance.
Textbook Exercises & Solutions
Showing 1 of 1 Solved QuestionsQuestion 14 Marks
Quick Revision Takeaways
Common Exam Pitfalls to Avoid
❌ Mistake: Assuming time period depends on the mass of the bob.
✓ Correction: Formula T = 2π√(l/g) contains no mass term m.
Why: In a gravitational pendulum, gravitational mass cancels inertial mass exactly.
Content Provenance & Verification
Editorial Verified & Published
Original Author / ContributorNEB Notes Nepal Academic Team
Verified BySenior Subject Specialist (TU / NEB Panel)
Curriculum Versionv1.0 (CDC 2078/2080 Grid)
Last Verified Date2026-10-23
Legitimate Official Curriculum References
public curriculum
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