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Percentage of free space in cubic close packed struchure and in body centred structure are respectively.A. `30%` and `26%`B. `26%` and 32%`C. `32%` and `48%`D. `48%` and `26%` |
Answer» Correct Answer - B Packing fraction of cubic close packing and body centred packing are `0.74` and `0.68` respectively. So, vacant space is `26%` and `32%` respectively. |
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