hey,

here are the courses you may choose after completing your B.Sc physics

1. B.tech electronics

2. M.Sc acoustics

3. M.Sc applied electronics

4. M.Sc astronomy

5. M.Sc astrophysics

6. M.Sc electronics

7. M.Sc geophysics

8. M.Sc medical physics

9. M.Sc nuclear physics

10. M.Sc physics

11. M.Sc vaccum sciences

12. master in atomic and molecular physics

hope this helps!