www.physicsmodels.in offers new type of videos chapter-wise and for important topics for Class X to XII syllabus. Inside the video, is a combination of 3D Animations technology as well as 3D pictures.

As a ninth-grader, Shanghai's Li Sixin spent more than three hours on homework a night and took tutorials in math, physics and chemistry on the weekends. When she was tapped to take an exam last year ...