This video lecture from Oscillatory Motion (F.Sc. first year physics) covers Explanation about Pendulum, and proof that Pendulum is an Oscillatory body. Also it explains the Dependence of Length of Oscillatory bodies on its time period. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.