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

Arrange the following elements with different atomic weight and same density according to decreasing number of atoms per unit volume:
A. Atomic weight \(=10\),
B. Atomic weight \(=20\),
C. Atomic weight \(=30\),
D. Atomic weight \(=40\).

Arrange the following in decreasing order:
A. Net magnetization in ferromagnets,
B. Net magnetization in ferrimagnets,
C. Net magnetization in anti-ferromagnets,
D. Net magnetization in paramagnets.

Arrange the following types of materials in decreasing order of Fermi energy level from valence band:
A. \(p\)-type semiconductor,
B. \(n\)-type semiconductor,
C. Intrinsic semiconductor,
D. \(n\)-type degenerate semiconductor.

Arrange the following options in decreasing order:
A. The activation energy for lattice diffusion is \(Q_l\),
B. The activation energy for dislocation core is \(Q_d\),
C. The activation energy for grain boundaries is \(Q_g\),
D. The activation energy for surface is \(Q_s\).

If the temperature of an ideal gas is raised from \(T_1\) to \(T_2\) through the following processes, arrange the heat supplied in increasing order:
A. Adiabatic,
B. Isochoric,
C. Isobari
C.

Among the following, which is not a technique used to study the morphology of materials?

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?

Domain theory explains:

Antiferromagnetic materials have magnetic susceptibility in the range:

Which of the following is true for hard magnetic materials: