Hello student that's totally depend on you what you want to do further after doing Bsc. You can go with masters course, you can go for job if you want to. Courses to do afterB.ScPhysics are mentioned below :-
B.Ed.
B.Tech Electronics.
M. Sc Acoustics.
M. Sc Applied Electronics.
M. Sc Astronomy.
M. Sc Astrophysics.
M. Sc Electronics.
M. Sc Geophysics

Help me if you're interested in any thing else so that I can help you with more information.

Feel free to comment if you have any doubt
Good luck