Solid State Physics C1

Which of the following types of solids is represented by substances like glass, rubber, fused silica, plastics etc.

• polycrystalline

• amorphous

• crystalline

• plasma

Find whether the bonds are ionic or covalent-

H-H

• ionic

• covalent

• none

Find whether the bonds are ionic or covalent-

O-C-O

• Ionic

• Covalent

• None

Choose the Brillounin Zone

• 
• 
• 

The number of atoms per unit cell in simple, fcc and bcc unit cells are

• 1, 4, 2

• 1, 2, 4

• 2, 1, 4

• 2, 4, 1

Which of the following is an amorphous solid?

• Copper(Cu)

• Quartz glass (SiO₂)

• Silicon carbide (SiC)

• Sodium Chloride (NaCl)

What are the three states of matter?

• solid, volume, mass
• density, volume, mass
• solid, liquid, gas
• density, gas, volume

The bond formation in a NaCl Crystal is

• Metallic bond

• Ionic bond

• Covalent bond

• van der Walls bond

Which of the following is not correct?

• Crystalline solids are anisotropic.

• Lattice + Basis = Crystal

• The various crystal planes are specified by a set of three numbers called Miller indices.

• All Unit cells are Primitive cells.

In a cubic crystal, a given plane intercepts the axes at 3a, 3b & c. The Miller indices of the plane are ________

• ( 3 3 1 )

• ( 1 3 3 )

• ( 1 1 3 )

• ( 3 1 1 )