CBSE Class 12 Practical ... would be 6 marks while the file would be 3 marks. The project would be of 5 marks and the students would be judged on the files they make while the viva voice would ...

CBSE Class 12 Practical Exams have begun in many schools ... Check how to maintain the practical files at the last minute, prepare for viva and practical exams here. convex lens concave mirror ...