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

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

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:

Paramagnetic materials behaves as diamagnetic materials :

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

How does the gas constant R is related to the universal gas constant \(\bar{R}\) and molecular mass M?

Domain theory explains:

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.
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Antiferromagnetic materials have magnetic susceptibility in the range:

Which of the following is true for hard magnetic materials:

The breaking stress of a wire depends on:

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}
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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:

In Laue's technique of X-ray diffraction, a single crystal is held stationary and the beam of white radiation of wavelength \(\lambda\) is inclined at which condition with glancing angle (\(\theta\)):

The shortest wavelength, present in X-rays produced by an accelerating potential of 50kV, is:

The vector form of Bragg's law is used in the construction of:

Under the elastic limit, Poisson's ratio is:

Which statements are correct for edge dislocation?
A. An edge dislocation moves in the direction of the Burger vector.
B. An edge dislocation involves an extra row of atoms above the slip plane.
C. An edge of the atomic plane is formed internal of the crystal.
D. The Burger vector of an edge dislocation is parallel to the dislocation line.
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Which of the following are the correct statements about laws of thermodynamics:
A. The first law does not indicate the direction in which the change can occur.
B. The first law indicates the direction in which the change can occur.
C. The second law does not indicate the direction in which the change occurs.
D. The second law indicates the direction in which the change can occur.
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The surface defects are two-dimensional defects, which have:
A. Grain boundaries
B. Tilt boundaries
C. Twin boundaries
D. Stacking boundaries
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Vacancies of the crystal may arise due to:

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