Hello student cut off vary every year on various factors like seats available total number of applicants and class 12 pass percentage. With 85 percent its difficult to get admission in BSc physics hons as we all know that seats are very limited and admission is directly based on cut off. It's expected that the minimum percentage you need to get admission in BSc honors physics is 91 percent. I request you to please help me with your category so that I can check and provide you with the exact information about cut off.

For more details refer to the link mentioned below - https://www.google.com/amp/s/university.careers360.com/articles/du-cutoff/amp

Feel free to comment if you've any doubt

Good luck