Mathematics is one of the most difficult and important subjects. Many students love it, and many are afraid of it. Well, for ...

Periodic functions. Simple harmonic motion (S.H.M.) and its equation; phase: oscillations of a spring -restoring force and force constant: energy in S.H.M. - Kinetic and potential energies ...

The Joint Entrance Examination (Main) shortly known as JEE Main is a famous and one of the most difficult exams to get admission in engineering courses at prestigious colleges and universities. The ...