JEE PYQ: Solid State Question 7
Question 7 - 2021 (26 Feb Shift 2)
The number of octahedral voids per lattice site in a lattice is ___. (Rounded off to the nearest integer)
Show Answer
Answer: 1
Solution
Assuming FCC: No. of lattice sites $= 6$ face centre $+ 8$ corner $= 14$. No. of octahedral voids $= 13$. Ratio $= \frac{13}{14} = 0.92857 = 1$ (Nearest integer).