ECAT Pre General Science Physics Chapter 17 Physics of Solids Online Test

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  • Chapter NameCh 17 - Physics of Solids

ECAT Pre General Science Physics Chapter 17 Physics of Solids Online Test

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ECAT Pre General Science Physics Chapter 17 Physics of Solids Online Test

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Question # 1

A structure of polymeric solid is:

Question # 2

The size of the domain is such that they can contain

Question # 3

The ratio of linear stress/linear strain is called as

Question # 4

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

Question # 5

Electrons of an isolated atom are bound to the nucleus, and

Question # 6

The word amorphous means:

Question # 7

A unit cell is smallest basic structure which is:

Question # 8

Within each domain, the magnetic field of all the spinning electrons are

Question # 9

When a silicon crystal is doped with a pentavalent element, such an extrinsic semi-conductor is called

Question # 10

The domains are of macroscopic size of the order of

Question # 11

The temperature at which the vibrations become so great that structure of the Crystal breaks up, is called:

Question # 12

An atom in which there is a resultant magnetic field, behaves like a tiny magnet and is called as

Question # 13

The bonding between the semi-conductor materials is

Question # 14

Tick the one which is not a crystalline solid:

Question # 15

Substances which break just after the elastic limit is reached, are known as

Question # 16

An ordinary glass gradually softens into a 'paste -like' state before it becomes a very viscous liquid. It happens almost at:

Question # 17

Glass is an example of

Question # 18

Any superconductor with critical temperature above 77 K, is referred as

Question # 19

The valence band of an atom in a solid

Question # 20

The number of different crystals systems based on the geometrical arrangement of their atoms and the resultant geometrical structure are

Question # 21

The substance in which atoms cooperate with each other in such a way so as to exhibit a strong magnetic effect, are called

Question # 22

The first super conductor was discovered in

Question # 23

In metallic crystals which of the following thing remains constant

Question # 24

The smallest three dimensional basic structure is called as:

Question # 25

The substances in which, atom are so oriented that their fields support each other and the atoms behave like tiny magnets, are called

Question # 26

Crystalline solids are in the form of:

Question # 27

Examples of crystalline solids are:

Question # 28

The critical temperature of aluminium is

Question # 29

The critical temperature of mercury is

Question # 30

When small number of atoms from some other suitable element is added to the semi-conductor material, then this process is known as

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