JET_V7_N4_RP4 Muntajeeb Ali Baig Journal of Educational Technology 2230 - 7125 7 4 28 34 Online Learning Environment, face-to-face, Web 2.0, Social Networking Sites An experimental design was carried out to study the effectiveness in learning of tenth grade students in Physics, when taught through online and face-to-face (F2F). A mash-up of different online tools and learning environment was used for the study. Website 'Wiziq.com' provided these online tools and learning environment hence it is used for the study of effectiveness of online learning on students' achievement. A high score in achievement among students' taught and studied through online tools and online learning environment was found through this research. Similarly achievement among students of F2F teaching was found to be low, this is because in F2F learning, collaborating and sharing of resources is limited to the walls of classroom, but online learning made it possible for learning, collaborating, and sharing of resources beyond four walls. Online learning environment provides features such as, user centre, user control and communication, and making teaching learning process learner centric. January - March 2011 Copyright & copy; 2011 i-manager publications. All rights reserved. i-manager Publications http://www.imanagerpublications.com/Article.aspx?ArticleId=1391