Raja, with just few days left for the board exams, it is a good idea to solve the model papers to get an idea of the question pattern, marking scheme and time management techniques.

You can find the model papers of all subjects for BSEB 12th board exam on their official website: http://biharboardonline.bihar.gov.in/model-question-papers-ss

You need to click on the name of the subject to download the model papers. There are around 10 sets of model papers for Physics and around 4 sets of papers for Physics- Objective.