IIT-JEE · Physics

JEE Physics Notes – Simple Harmonic Motion and Waves with Graphs and Diagrams

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Class 11 Physics notes on Oscillations and Waves for JEE Main and JEE Advanced. Covers simple harmonic motion, its displacement, velocity, acceleration and energy, spring-block systems and pendulums, then wave motion, the speed of waves, superposition, standing waves on strings and in organ pipes, beats and the Doppler effect, with labelled graphs, a formula table, solved examples and practice problems. Includes 4 labelled diagrams: Displacement and velocity in SHM. Velocity leads displacement by a quarter of a cycle; Energy against position. KE and PE trade off while total energy stays constant; The third harmonic on a string fixed at both ends: three loops; Doppler effect: what you hear depends on whether source and observer approach or recede.