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Solid State Questions

Practice 49 Solid State questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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49
Total Questions
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14
Easy
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29
Medium
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6
Hard
Practice by Exam:Chemistry(44)Physics(5)

About Solid State ā€” practice questions, PYQs & concepts

Solid State is a frequently-tested topic on Chemistry, Physics. ExamTest.live currently lists 49 Solid State questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year ā€” every answer key is free, no sign-up required.

Solid State weight in competitive exams

Across our Solid State question bank, the largest sources are Chemistry (44) and Physics (5). Click any exam chip above to drill down to that exam-specific question set.

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All Solid State Questions(1ā€“49 of 49)

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Q1mediummcqChemistryAIEEE2026
0% accuracy
An ionic compound has a unit cell consisting of ions at the corners of a cube and ions on the centres of the faces of the cube. The empirical formula for this compound would be:
Q2hardmcqChemistryNEET (UG) 20172026
0% accuracy
Which is the incorrect statement?
Q3hardmcqChemistryNEET 20192026
0% accuracy
A compound is formed by cation C and anion A. The anions form hexagonal close packed (hcp) lattice and the cations occupy 75% of octahedral voids. The formula of the compound is:
Q4easymcqChemistryAIEEE 20062026
0% accuracy
Total volume of atoms present in a face-centre cubic (FCC) unit cell of a metal is ( is atomic radius):
Q5mediummcqChemistryNEET 20172026
Which is the incorrect statement?
Q6hardmcqChemistryNEET (UG) 20182026
Iron exhibits bcc structure at room temperature. Above , it transforms to fcc structure. The ratio of density of iron at room temperature to that at is:
Q7mediummcqChemistryNEET 2020 E12026
An element has a body centered cubic (bcc) structure with a cell edge of . The atomic radius is:
Q8easymcqChemistryNEET 20212026
The correct option for the number of body centred unit cells in all types of Bravais lattice unit cells is:
Q9easymcqChemistryNEET 20212026
Right option for the number of tetrahedral and octahedral voids in hexagonal primitive unit cell are:
Q10mediummcqChemistryNEET 20222026
Assertion (A): In a particular point defect, an ionic solid is electrically neutral, even if few of its cations are missing from its unit cells.Reason (R): In an ionic solid, Frenkel defect arises due to dislocation of cation from its lattice site to interstitial site, maintaining overall electrical neutrality.
Q11mediummcqChemistryNEET 20222026
Copper crystallises in unit cell with cell edge length of . The density of copper is . Calculate the atomic mass of copper:
Q12mediummcqChemistryNEET 20232026
A compound is formed by two elements A and B. The element B forms cubic close packed structure and atoms of A occupy of tetrahedral voids. If the formula of the compound is , then the value of is:
Q13easymcqChemistryNEET 20232026
What fraction of one edge centred octahedral void lies in one unit cell of ?
Q14easymcqChemistryAIEEE 20042026
What type of crystal defect is indicated in the diagram below?



Q15mediummcqChemistryAIEEE2026
In a compound, atoms of element form ccp lattice and those of element occupy rd of tetrahedral voids. The formula of the compound will be:
Q16mediummcqChemistryAIEEE 20092026
Copper crystallizes in fcc with a unit cell length of . What is the radius of copper atom?
Q17mediummcqChemistryAIEEE2026
The edge length of a face centered cubic cell of an ionic substance is . If the radius of the cation is , the radius of the anion is:
Q18mediummcqChemistryAIEEE2026
Percentage of free space in cubic close packed structure and in body centred packed structure are respectively:
Q19hardmcqChemistryFIITJEE AIEEE 2011 (Set Q)2026
In a face centred cubic lattice, atom A occupies the corner positions and atom B occupies the face centre positions. If one atom of B is missing from one of the face centred points, the formula of the compound is:
Q20mediummcqChemistryAIEEE 20122026
Lithium forms body centred cubic structure. The length of the side of its unit cell is . Atomic radius of the lithium will be:
Q21mediummcqChemistryJEE Main2026
Experimentally it was found that a metal oxide has formula . Metal is present as and in its oxide. Fraction of the metal which exists as would be:
Q22mediummcqChemistryJEE Main2026
Which of the following exists as covalent crystals in the solid state?
Q23mediummcqPhysicsPhysics
0% accuracy
Copper has face-centered cubic (fcc) lattice with interatomic spacing equal to 2.54 ƅ. The value of lattice constant for this lattice is :
Q24mediummcqPhysicsPhysics
0% accuracy
Choose the only false statement from the following :
Q25mediummcqChemistryChemistry
Copper crystallises in a face-centred cubic lattice with a unit cell length of . What is the radius of copper atom in ?
Q26easymcqPhysicsPhysics
Which of the following is an amorphous solid?
Q27easymcqChemistryChemistry
If is the number of atoms in the unit cell that represents the closest packing sequence ... ..., the number of tetrahedral voids in the unit cell is equal to:
Q28hardmcqChemistryChemistry
CsBr crystallises in a body centred cubic lattice. The unit cell length is . Given that the atomic mass of Cs = and that of Br = and Avogadro number being , the density of CsBr is :
Q29mediummcqChemistryChemistry
The appearance of colour in solid alkali metal halides is generally due to :
Q30mediummcqChemistryChemistry
The fraction of total volume occupied by the atoms present in a simple cube is:
Q31mediummcqChemistryChemistry
If is doped with of , the concentration of cation vacancies will be ():
Q32easymcqPhysicsPhysics
For a cubic crystal structure which one of the following relations indicating the cell characteristic is correct?
Q33mediummcqChemistryChemistry
If 'a' stands for the edge length of the cubic systems: simple cubic, body centred cubic and face centred cubic, then the ratio of radii of the spheres in these systems will be respectively:
Q34easymcqChemistryChemistry
Percentage of free space in a body centred cubic unit cell is:
Q35mediummcqPhysicsPhysics
Sodium has body centred packing. Distance between two nearest atoms is . The lattice parameter is:
Q36mediummcqChemistryChemistry
Lithium metal crystallises in a body centred cubic crystal. If the length of the side of the unit cell of lithium is , the atomic radius of the lithium will be:
Q37easymcqChemistryChemistry
The correct statement regarding defects in crystalline solids is:
Q38easymcqChemistryChemistry
crystallizes in a body centred cubic lattice with edge length ' ' equal to . The distance between two oppositely charged ions in the lattice is:
Q39mediummcqChemistryChemistry
A solid has structure. If the radius of the cation is , the radius of the anion () will be:
Q40hardmcqChemistryChemistry
Structure of a mixed oxide is cubic close-packed (c.c.p). The cubic unit cell of mixed oxide is composed of oxide ions. One fourth of the tetrahedral voids are occupied by divalent metal and the octahedral voids are occupied by a monovalent metal . The formula of the oxide is:
Q41mediummcqChemistryChemistry
A metal crystallizes with a face-centered cubic (FCC) lattice. The edge of the unit cell is . The diameter of the metal atom is:
Q42mediummcqChemistryChemistry
The number of octahedral void(s) per atom present in a cubic close-packed structure is:
Q43easymcqChemistryChemistry
The number of carbon atoms per unit cell of diamond unit cell is:
Q44mediummcqChemistryChemistry
A metal has an FCC lattice with edge length and density . The molar mass of the metal is:
Q45easymcqChemistryChemistry
If is the length of the side of a cube, the distance between the body centred atom and one corner atom in the cube will be:
Q46easymcqChemistryChemistry
The vacant space in bcc lattice unit cell is:
Q47mediummcqChemistryChemistry
In calcium fluoride, having the fluorite structure, the coordination numbers for calcium ion () and fluoride ion () are:
Q48mediummcqChemistryChemistry
The ionic radii of and ions are and . The coordination number of each ion in is:
Q49mediummcqChemistryChemistry
Lithium has a structure. Its density is and its atomic mass is . Calculated the edge length of a unit cell of Lithium metal ():

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