List of top Material Science and Technology Questions asked in CUET (PG)

Choose the correct sequence of operations in the Carnot cycle.
A. Isothermal expansion of gas.
B. Isothermal compression of gas.
C. Adiabatic compression of gas.
D. Adiabatic expansion of gas.
Choose the correct answer from the options given below:

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.
Choose the correct answer from the options given below:

Copper has FCC structure with a lattice constant 3.61 Å. The radius of the copper atom is:

Match the LIST-I with LIST-II
\begin{tabular}{|l|l|} \hline LIST-I & LIST-II
\hline A. If heat is added to the system & I. \(Q<0\)
B. If heat is removed from the system & II. \(W>0\)
C. If work is done on the system & III. \(Q>0\)
D. If work is done by the system & IV. \(W<0\)
\hline \end{tabular}
Choose the correct answer from the options given below:

According to Weidemann-Franz-Lorentz Law, the theoretical value of Lorentz number (L) for metals is:

Scanning Tunneling Microscopy is based on:

Lithography is:

The speed of sound in a fluid is the velocity at which a weak pressure wave propagates in the medium.

The ideal gas, which is a model for gas used in constant volume gas thermometers, for which P = \(\rho\)RT. This equation illustrates that there are only ______________________ independent intensive thermodynamic properties for a simple fluid.

The correct statements about SC lattice are:
A. The number of atoms per unit cell is 1
B. Its packing factor is 0.52
C. Iron is an example of SC lattice
D. Its Coordination Number is 6
Choose the correct answer from the options given below:

Choose the correct statement for the first Brillouin zone in two dimensions:
A. The region in k space that the electrons can occupy without being diffracted is called the First Brillouin zone.
B. For k<\(\pi\)/a electrons can not move freely in any direction inside the square without being diffracted.
C. For k = \(\pi\)/a electrons are prevented from moving in the x or y directions due to diffraction.
D. For k>\(\pi\)/a electrons can move perpendicularly inside the square.
Choose the correct answer from the options given below:

The energies involved in the process of domain growth are:
A. Exchange energy
B. Anisotropic energy
C. Domain Wall energy
D. Magnetostrictive energy
Choose the correct answer from the options given below:

The electronic contribution of specific heat of copper at 300K is:
(Given that the fermi energy of copper is 7.05eV, and it is assumed to be temperature independent)

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

Diamond exhibits which type of structures:

Electronic magic numbers of atoms are:
A. 2
B. 15
C. 10
D. 18
Choose the correct answer from the options given below:

The coordination number and volume of unit cell of hexagonal closed packed structure are respectively:

Antiferromagnetic materials have magnetic susceptibility in the range:

Atomic Force Microscopy monitors:

Atomic Force Microscopy is a modified version of:

Which statement is true for Scanning Tunneling Microscopy:

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

The effective density of states of electrons (\(N_c\)) at the conduction band edge of the intrinsic semiconductor varies with temperature, as:

Which current does not contribute to a uniformly doped semiconductor: