List of top Nano Technology Questions asked in TS PGECET

In band theory, metals have

Top-down approach in nanotechnology involves

Nanomaterials can be synthesized by the following approaches

Dielectric constant of a material measures

Soft magnetic materials are mainly used in

Ferrimagnetic materials are found in

A metal has one free electron per atom, density $\rho = 0.97 \text{ g/cm}^3$ and molar mass $M = 39 \text{ g/mol}$. Calculate the Fermi energy $E_F$ of the metal:}

The refractive index of a material is defined as:

A metal has free electron density $n = 8.5 \times 10^{28} \text{ m}^{-3}$ and relaxation time $\tau = 2.5 \times 10^{-14} \text{ s}$. Calculate its electrical conductivity ($\sigma$):}

Composite materials are typically made up of:

Diamagnetic materials have:

Which of the following best describes the general properties of Ceramics?

The point on the stress-strain curve beyond which the material will not return to its original shape when the load is removed is called the:

The band gap of an intrinsic semiconductor increases with:

Free electron theory treats conduction of electrons in metals as:

Electrical conductivity in metals primarily depends on

In a fiber-reinforced composite, the primary role of the matrix is to

Which of the following is not a mechanism of polymerization?

Which material typically exhibits a distinct upper and lower yield point in its stress-strain curve?

During the recovery stage of annealing, which property changes the most significantly?

The area under the engineering stress-strain curve up to the point of fracture represents

Grain refinement improves strength mainly by

Which mechanism involves the movement of atoms to form a mirror image of the crystal structure across a plane?

In which structure the Copper and Aluminum crystallize?

Proof stress is used when