The Physics Classroom  is started to provide online classes to students of school level studying Physics

Physics Classroom ; is a website aimed at popularizing Online learning and evaluation of Physics.
Teachers can start new courses just by registering and making a course request after logging in. Physics Teachers from CBSE Schools who are interested in delivering content, assignment and tests online to their students can register themselves to use this free facility. Teachers can refer them to courses already available or start their own online courses available either to students assigned by them or all registered students. 
The site primarily aims at students of CBSE Syllabus. However, there are some sections of General interest also, like Medical Physics, Physics through Videos, Tips and Tricks etc. 
The registration and usage of this site is free but restricted to registered users only.