List of top Questions asked in CUET (PG)

Match the LIST-I with LIST-II

LIST-I (Quantum structures)	LIST-II (Delocalization dimensions)
A. Bulk conductor	I. 0
B. Quantum well	II. 3
C. Quantum wire	III. 1
D. Quantum dot	IV. 2

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Which of the following relations are correct for the cubic crystal:
A. a = b \( \neq \) c
B. a = b = c
C. \( \alpha = \beta = \gamma = 90^\circ \)
D. \( \alpha \neq \beta = \gamma = 90^\circ \)
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Atomic Force Microscopy monitors:

Electronic magic numbers of atoms are:
A. 2
B. 15
C. 10
D. 18
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Which of the following option is correct related to the application of elastic hysteresis?

Which type of liquid crystal has its structure twisted about the helical axis lying perpendicular to the orientation of molecules?

The breaking stress of a wire depends on:

Under the elastic limit, Poisson's ratio is:

Which statement is true for Scanning Tunneling Microscopy:

The elastic energy density of a stretched wire is given by:

Match the LIST-I with LIST-II

LIST-I (Bonds)	LIST-II (Formations)
A. Ionic Bonds	Actual transfer of electrons from one atom to another atom
B. Metallic Bonds	Partial sharing of valence electrons by the neighboring atoms
C. Van der Waals Bonds	This type of bonding arises from dipolar interaction of crystals/molecules of the crystal.
D. Hydrogen Bonds	This type of interaction between the oppositely charged ends of permanently polarized molecules.

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In which type of metals, there is overlapping of valence band with the conduction band?

The reciprocal lattice for a body centered cubic crystal is:

The potential energy of a system of two atoms is given by the expression \( U = -A/r^2 + B/r^{10} \). A stable molecule is formed with the release of 8.0 eV of energy, when the interatomic distance is 2.8 Å. The values of A and B are:

Match the LIST-I with LIST-II

LIST-I (Parameters)	LIST-II (Expressions)
A. Potential energy of a system of two atoms	I. \( \alpha = \sum_{j} \pm \frac{1}{p_{ij}} \)
B. Madelung constant	II. \( U_{ij} = \pm \frac{q^2}{r} \)
C. Coulomb electrostatic energy	III. \( U = -\frac{A}{r^2} + \frac{B}{r^{10}} \)
D. Cohesive energy	IV. \( U_{ij} = \lambda e^{-r_{ij}/\rho} \pm \frac{q^2}{r_{ij}} \)

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Select the correct sequence:
A. Zeroth law of thermodynamics
B. First law of thermodynamics
C. Second law of thermodynamics
D. Third law of thermodynamics
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In 3-dimensional system, the mean energy of an electron in electron gas at absolute zero is __________________________ of fermi energy, \(E_f(0)\) at absolute zero.

The magnitude of the reciprocal lattice vector is related to interplaner spacing \(d_{hkl}\):

Inter-planer spacing for a (034) plane in a simple cubic, whose lattice constant is \(4.5 \times 10^{-10}\) m, is:

What is the effect of temperature on magnetic susceptibility of ferromagnetic materials?

The number of distinct space groups possible in 3-dimensions is:

The steps involved in determining the Miller indices are:
A. Take the reciprocal of these intercepts.
B. Simplify the fraction.
C. Enclose the obtained numbers into parentheses.
D. Find the intercepts of the plane on the crystallographic axes.
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Which of the following symmetry does not exist:

As the particle size reduces, the optical absorption spectra shifts towards:

Which current does not contribute to a uniformly doped semiconductor: