Solid State Physics MCQsBy: Prof. Dr. Fazal Rehman | Last updated: May 20, 2025 12 Score: 0 Attempted: 0/12 Subscribe 1. : Iron has a Body-Centered Cubic (BCC) structure with an atomic radius of 0.123 Å. Find the lattice constant. (A) 0 (B) 4.587 Å (C) 2.314 Å (D) 0.2840 Å 2. : The interplanar spacing of (220) planes of a Face-Centered Cubic (FCC) structure is 1.7458 Å. Calculate the lattice constant. (A) 4.983 Å (B) 2.458 Å (C) 0 (D) 5.125 Å 3. : What is the lattice constant for an FCC crystal having an atomic radius of 1.476 Å? (A) 1.476 Å (B) 4.1748 Å (C) 5.216 Å (D) 0 4. : What is the possible number of different types of lattices (3D)? (A) 4 (B) 8 (C) 14 (D) 17 5. : Why are the glasses of buildings milky? (A) It changes in properties (B) It becomes old (C) It is brittle (D) Due to unwanted deposits 6. : Which of the following is a crystalline solid? (A) Isotropic substances (B) Anisotropic substances (C) Supercooled liquids (D) Amorphous solids 7. : Which of the following covalent compounds conducts electricity? (A) Silica (B) Hydrogen chloride (C) Diamond (D) Graphite 8. : When do ionic compounds conduct electricity? (A) When dissolved in water (B) In solid state (C) In gaseous state (D) They never conduct 9. : Which one of the following is the property of an ionic compound? (A) High melting and boiling points (B) Low melting and boiling points (C) Weak inter-atomic forces (D) Non-conductors of electricity 10. : What will happen to the elastic property of Gold when Potassium is added to gold? (A) The elastic property of gold decreases (B) The elastic property of gold remains unaltered (C) The elastic property of gold increases (D) Gold loses its elastic property 11. : What is the effect of annealing (to remove hardness) on the elasticity of materials? (A) Increases the elasticity (B) Decreases the elasticity (C) Has no effect on elasticity (D) Distorts the material 12. : When too many people stand on a bridge, it collapses. Why? (A) Due to an increase in stress (B) Due to overweight (C) Due to improper construction (D) Due to friction Related Posts:Research Topics Atomic Molecular & Optical Physics, Solid State & Materials PhysicsSolid State Physics Past PapersSolid State Physics Qualification related questionsSolid State Chemistry MCQsTypes of Solid State Storage Devices and Advantages Research Topics of Solid Mechanics[PhD MS Thesis Papers]