See if you go for the BSc in Computer Application, the course will be a more job oriented and practical oriented course. So if you wish to go for the jobs after your BSc course in different IT companies, then this course will be a good choice. Now if you wish to go for the Physical Science, then you have to at least complete the course of MSc in order to get a good, respectable job. The career in research, is much better in case of BSc Physical science. So if you wish to go for the Physical Science research ahead, then going for the BSc Physical Science course will be worth it.

For more information regarding the career after Computer Application consider the link below:

https://www.careers360.com/courses/computer-applications-course

I hope this helps. Wish you a great eve!