A metal crystallises in a face centred cubic structure. If the edge length of the unit cell is 'a' the closest approachbetween the two atoms in the metallic crystal will be

A metal crystallises in a face centred cubic structure. If the edge le

1.	A metal crystallises in a face centred cubic structure. If the edge length of the unit cell is 'a' the closest approachbetween the two atoms in the metallic crystal will be
Answer» <html><body><p>`sqrt2a`<br/>`a/sqrt2`<br/>2a<br/>`2sqrt2a`</p>Solution :For the fcc <a href="https://interviewquestions.tuteehub.com/tag/structure-1230280" style="font-weight:bold;" target="_blank" title="Click to know more about STRUCTURE">STRUCTURE</a>, nearest <a href="https://interviewquestions.tuteehub.com/tag/neighbour-1113440" style="font-weight:bold;" target="_blank" title="Click to know more about NEIGHBOUR">NEIGHBOUR</a> <a href="https://interviewquestions.tuteehub.com/tag/distance-116" style="font-weight:bold;" target="_blank" title="Click to know more about DISTANCE">DISTANCE</a> (d)=`a/sqrt2`.</body></html>