Question:
The edge lengths of the unit cells in terms of the radius of spheres constituting
fcc,bcc and simple cubic unit cell are respectively________
(i) 2√2r, 4r/√3, 2r
(ii) 4r/√3, 2√2r, 2r
(iii) 2r, 2√2r, 4r/√3
(iv) 2r, 4r/√3, 2√2r
Solution:
Option (i) 2√2r, 4r/√3, 2r is the answer.