Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Solid State question

2025 · Q40
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /IIT JAM
  3. /Chemistry
  4. /Solid State
  5. /2025 · Q40

Solid State question

2025 · Q40

IIT JAMChemistrySolid StateMultiple correct+2 / −0
Correct statement(s) with respect to defects in solids is(are)
  1. A
    In Schottky defect, atoms move from interior lattice sites to surface lattice sites
  2. B
    Equilibrium concentration of defects remain unchanged with change in temperature
  3. C
    A perfect solid is thermodynamically less stable than the solid with defects
  4. D
    Common point defects in pure alkali halides are Frenkel-type
View written solutionFree

Correct answer: A, C

PreviousNext

More from Solid State

  • Wavelength of X-rays used in a diffraction experiment is 1.54 Å. X-rays are diffracted from a set of planes with an interplanar spacing of 1.54 Å. Then the angle θ (in degrees) corresponding to the first-order Bragg diffraction is2024 · MCQ
  • The unit cell of a two-dimensional square lattice with lattice parameter a is indicated by the dashed lines as shown below: The percentage (%) area occupied by the grey circles (of radius r) inside the unit cell is ​… Includes diagram2024 · Numerical
  • The separation (in nm) of {134} planes of an orthorhombic unit cell (with cell parameters a = 0.5 nm, b = 0.6 nm, and c = 0.8 nm) is2023 · MCQ
  • All possible lattice types are observed in the2022 · MCQ
  • The common point defect(s) in a solid is/are2022 · Multiple correct
  • The *d* spacing for the first-order X-ray (λ = 1.54 Å) diffraction event of metallic iron (*fcc*) at 2θ = 20.2° is ​ Å. (*round off to three decimal places*)2022 · Numerical
  • The volume fraction for an element in an *fcc* lattice is ​. (*round off to two decimal places*)2022 · Numerical
  • Monochromatic X-rays having energy 2.8×10−15 J diffracted (first order) from (200) plane of a cubic crystal at an angle 8.5∘. The length of unit cell in Å of the crystal (rounded off to one decimal place) is (Given:…2021 · MCQ