Hello Student,
Actually it is completely depends upon you. one thing you should remember that if you enjoy any course you can go far and far better with that.
If you have a plan to just complete your bachelor degree and go for competitive examinations like for banking examination or SSCor UPSC examination, then you should go for BSC physics. But otherwise you should go for BDS. Because this is a professional degree course and after completing your BDS from any government colleges it is pretty sure that you can get a perfect salary. But if you go no for BSC physics you have to complete atleast MSc to get jobs.
Hope this will help you
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