Section 2 Quiz questions

Question 1

Primitive cell is a unit cell that contains one atom per cell? (correct or incorrect)

Answer 1

correct

Question 2

Which of the bravais lattice has the following description for lengths?
a≠ b≠ c

Answer 2

base centered orthorhombic

Question 3

Which of the bravais lattice has the following description for angles?
a=b≠ c (all angles 90 degrees)

Answer 3

body centered tetragonal

Question 4

What is the number of atoms per unit cell in FCC?

Answer 4

4

Question 5

What is the number of atoms per unit cell in BCC structures?

Answer 5

2

Question 6

What is the atomic packing factor of a FCC crystal?

Answer 6

sqrt(2)π/6

Question 7

What is the closest packed plane in a FCC crystal?

Answer 7

(111)

Question 8

the volume of a BCC unit cell in terms of the radius r of the atom within the unit cell

Answer 8

(4r/sqrt(3))^3

Question 9

Calculate the APF of SC

Answer 9

π/6

Question 10

The classification of crystal structures is based on atoms of the same kind when replacing the lattice

Answer 10

true

Question 11

Which of the following is a closest packed plane in a HCP structure?

Answer 11

(001)

Question 12

How many atoms are there in a unit cell of a diamond structure?

Answer 12

8 atoms