ChemistryMedium42×since 2002Q1933The correct relationships between unit cell edge length 'aaa' and radius of sphere 'rrr' for face-centred and body-centred cubic structures respectively are :Ar=22ar=2 \sqrt{2} ar=22a and 3r=4a\sqrt{3} r=4 a3r=4aBr=22ar=2 \sqrt{2} ar=22a and 4r=3a4 r=\sqrt{3} a4r=3aC22r=a2 \sqrt{2} r=a22r=a and 3r=4a\sqrt{3} r=4 a3r=4aD22r=a2 \sqrt{2} r=a22r=a and 4r=3a4 r=\sqrt{3} a4r=3aCheck answerSkip