Tranverse and longitudinal waves, Displacement relation in a prograssive wave, The speed of a travelling wave, principle of superposition of wave, Reflection of waves, Beats, Dopplers effect.
Students of class XI (1st year) . Students who are preparing for different competitive exams like NEET, JEE, NDA, various Olympiads or any examination.The examples also make general knowledge of happenings in our day to day life and the nature.