Chemistry · 2020
JEE Main · 5 September 2020, Shift 2 · Q40
An element crystallises in a face-centred cubic (fcc) unit cell with cell edge a. The distance between the centres of two nearest octahedral voids in…
An element crystallises in a face-centred cubic (fcc) unit cell with cell edge a. The distance between the centres of two nearest octahedral voids in the crystal lattice is :
Official answer
(3)
$\displaystyle \frac{\mathrm{a}}{\sqrt{2}}$
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JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.