Question 65

Q65Multiple choice

Match the type of unit cell given in Column I with the features given in Column II. Column I Column II (i) Primitive cubic unit cell

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(a) Each of the three perpendicular edges compulsorily have the different edge length i.e; a≠b≠c. (ii) Body centred cubic unit cell

(b) Number of atoms per unit cell is one. (iii) Face centred cubic unit cell

(c) Each of the three perpendicular edges compulsorily have the same edge length i.e; a = b = c (iv) End centred orthorhombic

(d) In addition to the contribution from unit cell the corner atoms the number of atoms present in a unit cell is one. (e) In addition to the contribution from the corner atoms the number of atoms present in a unit cell is three. 11 Solid State