Question # 1

If the stress increased beyond the elastic limit of the material. the deformation produced in the material will be

Choose an answer

permanent

temporary

either of them

none of them

When relatively simple molecules are chemically combined into massive molecules, the reaction is called:

Choose an answer

Fission reaction

Fusion reaction

Polymerization

Any of these

None of these

Recently a complex crystalline structure known as Yetrium Barium Copper Oxide have been reported to become superconductor at

Choose an answer

125 K

25 K

263 K

163 K

A semi-conductor in its extremely pure form is known as

Choose an answer

extrinsic semi-conductor

intrinsic semi-conductor

either of them

none of them

Ferromagnetic substances lose their magnetism when heated above a certain temperature, known as

Choose an answer

critical temperature

curie temperature

high temperature

fixed temperature

In case of the three dimensional deformation, when volume is involved, the ratio of applied stress to volumetric strain is called

Choose an answer

Young's modulus

Bulk modulus

Shear modulus

all of them

The doped semi-conductor materials are known as

Choose an answer

intrinsic semi-conductor

extrinsic semi-conductor

either of them

none of them

Zirconia is classified as:

Choose an answer

Ceramic solid

Ionic compound

Metal

Either (A) or (B)

Either (B) or (C)

The electrons occupying the conduction band are known as

Choose an answer

conduction electrons

free electrons

both of them

none of them

The ratio of linear stress/linear strain is called as

Choose an answer

Yong's modulus

Bulk modulus

Shear modulus

Modulus

Glass is an example of

Choose an answer

crystalline solid

amorphous solid

polymeric solid

none of them

There are some whose resistivity becomes zero below a certain temperature, called

Choose an answer

absolute zero

0°C

critical temperature

lower fixed point

when the deformation produced in the material become permanent, this type of behaviour is called

Choose an answer

proportionality

elasticity

plasticity

none of them

The amplitude of oscillation of each atom in a metallic crystal rises with the

Choose an answer

rise in temperature

decrease in temperature

even temperature remains constant

all of them

In a semi-conductor material, current flows due to

Choose an answer

positive charge

negative charge

both of them

none of them

Polymers are the chemical combination of carbon with:

Choose an answer

Nitrogen

Oxygen

Hydrogen

All of these

None of these

More Classes

Other Links

Physics ECAT Pre Engineering Chapter 17 Physics of Solid Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer