Solid State Question 69
Question: In fcc lattice, A, B, C, D atoms are arranged at corners, face centres, octahedral voids and tetrahedral voids respectively, then the body diagonal contains
Options:
A) 2A, C, 2D
B) 2A, 2B, 2C
C) 2A, 2B, D
D) 2A, 2D
Show Answer
Answer:
Correct Answer: A
Solution:
[a] In fcc, along the body diagonal, 2 tetrahedral voids and one octahedral void at body center is present. So, a body diagonal contains 2A, C and 2D .
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