Class 12
Hey,
Each corner atom of hexagonal face is shared by 6 unit cells, i.e. they contribute 1/6th of the mass. There are two such hexagonal faces i.e. 12 such atoms.
Thus contribution of corner atoms=2×6×1/6= 2
The atom at the centre of the hexagonal faces is shared by two cells
In Delhi University if you want to apply for B.COM.(hons.) then you must have Mathematics in 12th standard. Sorry, you can't apply for B.COM.(hons.). But there are many other options left for you like you can pursue B.COM. (program) and other BA courses as well. There are so many options
Minimum percentage to apply for admissions in Delhi university for general candidates is 60% aggregate in four subjects, 55%-54% in best of four for OBC Candidates (Non creamy layer) and passing marks for SC/ST candidates.
Although it mostly depends on the particular course you want to pursue and it's cut
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