engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test General Science Chemistry States of Matter
The packing efficiency in simple cubic, body centred cubic and cubic closed packed lattice is respectively :
1
52.4%, 68% and 74%
2
52.4%, 74% and 68%
3
74%, 68% and 52.4%
4
68%, 52.4% and 74%