ECAT Pre Computer Science Chapter 17 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 17 Physics of Solids

Try The MCQ's Test For ECAT Physics Chapter 17 Physics of Solids

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ECAT Physics Chapter 17 Physics of Solids

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Question # 1

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

Question # 2

Synthetic materials fall into the category of

Question # 3

The substance in which atoms are so oriented that the field produced by spin and orbital motion of the electrons might add up to zero,are called

Question # 4

Whenever a covalent bond is broken in an intrinsic semi-conductor

Question # 5

In the phenomenon of hysteresis

Question # 6

Zirconia is classified as:

Question # 7

Tick the one which is not a crystalline solid:

Question # 8

The domains are of macroscopic size of the order of

Question # 9

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

Question # 10

Glass and high carbon steel are the examples of

Question # 11

Lead, copper and wrought iron are examples of

Question # 12

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

Question # 13

The bands below the valence band are

Question # 14

The solids which has structure in-between order and disorder are called

Question # 15

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

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The SI unit of stress is
A. N/m2
B. Nmc
C. dynes/m
D. N
2 Tick the one which is not a crystalline solid:
A. Zirconia
B. Glass
C. Copper
D. Ceramic solid
3 Ferromagnetic substances lose their magnetism when heated above a certain temperature, known as
A. critical temperature
B. curie temperature
C. high temperature
D. fixed temperature
4 Crystalline solids are in the form of:
A. Metals
B. Ionic Compounds
C. Ceramics
D. Both (A) and (B)
5 Tick the one which is not polymer solid:
A. Zirconia
B. Polythene
C. Nylon
D. Synthetic rubber
6 The substance in which atoms are so oriented that the field produced by spin and orbital motion of the electrons might add up to zero,are called
A. diamagnetic substances
B. ferromagnetic substances
C. paramagnetic substances
D. all of them
7 An atom in which there is a resultant magnetic field, behaves like a tiny magnet and is called as
A. magnetic
B. magnetic dipole
C. magnetic monopole
D. none of them
8 Synthetic materials fall into the category of
A. crystalline solids
B. amorphous
C. polymeric solids
D. all of them
9 A structure of polymeric solid is:
A. An ordered structure
B. A disordered structure
C. Intermediate between order and disorder
D. Any of these
10 The transition from solid state to liquid state is:
A. Abrupt
B. Slow
C. Continous
D. Discontinous

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