Miller Indices -Multiple Choice Questions Quiz

Interactive MCQs on “Miller Indices”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What are Miller Indices used to describe in crystallography?

(a) The hardness of a mineral
(b) The specific gravity of a mineral
(c) The crystal structure and planes in a crystal lattice
(d) The color of a mineral

Question 2: How are Miller Indices represented for a crystal plane that intersects the x, y, and z-axis at 1/2, 1/3, and 1/4, respectively?

(a) (1/2, 1/3, 1/4)
(b) (2, 3, 4)
(c) (1 2 3)
(d) (2 3 4)

Question 3: Which of the following crystallographic planes has the highest density of atoms?

(a) (100)
(b) (110)
(c) (111)
(d) (001)

Question 4: In a cubic crystal system, what are the Miller Indices of a plane parallel to the x-axis?

(a) (1 0 0)
(b) (0 1 0)
(c) (0 0 1)
(d) (1 1 1)

Question 5: Which Miller Indices represent a plane perpendicular to the z-axis in a hexagonal crystal system?

(a) (1 1 0)
(b) (0 1 0)
(c) (0 0 1)
(d) (1 2 3)

Question 6: What do negative Miller Indices (h k l) represent in crystallography?

(a) Planes that intersect the crystal in a clockwise direction
(b) Planes that intersect the crystal in a counterclockwise direction
(c) Planes that are parallel to the crystal surface
(d) Planes that lie below the crystal surface

Question 7: In a tetragonal crystal system, what are the Miller Indices of a plane parallel to the y-axis?

(a) (1 0 0)
(b) (0 1 0)
(c) (0 0 1)
(d) (1 2 3)

Question 8: What do Miller Indices (h k l) with a value of zero for one or more indices represent?

(a) Planes that do not intersect the crystal
(b) Planes that are parallel to the crystallographic axes
(c) Planes that are perpendicular to the crystallographic axes
(d) Planes that have no atoms in the crystal lattice

Question 9: What is the Miller Indices representation of a plane that intersects the x-axis at 1 and is parallel to the y and z-axis?

(a) (1 0 0)
(b) (0 1 0)
(c) (0 0 1)
(d) (1 1 1)

Question 10: What is the Miller Indices representation of a plane that is parallel to all three axes in a cubic crystal system?

(a) (1 1 1)
(b) (2 2 2)
(c) (0 0 0)
(d) (∞ ∞ ∞)