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

The word amorphous means:

Question # 2

The pattern of crystalline solid is:

Question # 3

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

Question # 4

Polymers are the chemical combination of carbon with:

Question # 5

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

Question # 6

When a stress changes the shape, it is called the

Question # 7

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

Question # 8

The vast majority of solids are in the form of

Question # 9

In metallic crystals which of the following thing remains constant

Question # 10

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

Question # 11

The whole structure obtained by the repetition of unit cells is called:

Question # 12

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

Question # 13

The greatest stress that a material can endure without losing the proportionality between stress and strain is called

Question # 14

In a semi-conductor material, the total current is

Question # 15

In a cubic crystal, All solids meet at:

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The band above the valence band is called
A. high energy band
B. conduction band
C. empty band
D. none of them
2 The materials in which there are plenty of free electrons for electrical conduction are known as
A. conductors
B. insulators
C. semi-conductors
D. all of them
3 The smallest three dimensional basic structure in a crystalline solid is called
A. lattice point
B. crystal lattice
C. cubic crystal
D. unit cell
4 The magnetism produced by electrons within an atom can arise from
A. electrons orbiting the nucleus
B. electrons posses a spin
C. both motions
D. none of these motions
5 A structure of polymeric solid is:
A. An ordered structure
B. A disordered structure
C. Intermediate between order and disorder
D. Any of these
6 A unit cell is smallest basic structure which is:
A. One dimensional
B. Two dimensional
C. Three dimensional
D. Four dimensional
7 Substances which break just after the elastic limit is reached, are known as
A. brittle substances
B. ductile substances
C. plastic substances
D. elastic substances
8 In the doping process, the ratio of the doping atoms to the semi conductor atom is
A. 1 to 10
B. 1 to 103
C. 1 to 106
D. 1 to 109
9 Glass and high carbon steel are the examples of
A. brittle substances
B. ductile substances
C. plastic substances
D. elastic substances
10 A semi-conductor in its extremely pure form is known as
A. extrinsic semi-conductor
B. intrinsic semi-conductor
C. either of them
D. none of them

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