MHT CET 2026 Chemistry question
Not in JEE Main or NEET syllabus
Calculate the void volume in fcc unit cell if total volume of a unit cell is ?
Answer: (C)
Solution
In an fcc (ccp) unit cell, atoms occupy 74% of the volume (packing efficiency ), so 26% is void. Occupied volume . Void volume 10^{-23}10^{-23}10^{-23}$\
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