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

Experiments revealed that the ratio of the stress to the strain is a constant value for

Question # 2

Recent studies of ferromagnetism have shown that there exists in ferromagnetic substances small regions called

Question # 3

The conduction band in a solid

Question # 4

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

Question # 5

The units of modulus of elasticity are

Question # 6

Tick the one which is not polymer solid:

Question # 7

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

Question # 8

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

Question # 9

The smallest three dimensional basic structure in a crystalline solid is called

Question # 10

The pattern of NaCl particles have a shape which is :

Question # 11

In a cubic crystal, All solids meet at:

Question # 12

Crystalline solids are in the form of:

Question # 13

A unit cell is smallest basic structure which is:

Question # 14

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

Question # 15

The size of the domain is such that they can contain

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 If the stress increased beyond the elastic limit of the material. the deformation produced in the material will be
A. permanent
B. temporary
C. either of them
D. none of them
2 The cohesive forces between atoms, molecules or ions in crystalline solids maintain the strict
A. short range order
B. long range order
C. both of them
D. none of them
3 The conduction band in a solid
A. may be empty
B. cannot be empty
C. should be filed
D. all of them
4 A structure of polymeric solid is:
A. An ordered structure
B. A disordered structure
C. Intermediate between order and disorder
D. Any of these
5 Amorphous solids are also called as
A. crystalline solids
B. polymeric solids
C. glassy solids
D. any one of them
6 Semi-conductor elements have atoms with
A. 2 valence electrons
B. 3 valence electrons
C. 4 valence electrons
D. 5 valence electrons
7 The bonding between the semi-conductor materials is
A. covalent
B. ionic
C. either of them
D. none of them
8 When a silicon crystal is doped with a pentavalent element, such an extrinsic semi-conductor is called
A. p-type semi-conductor
B. n-type semi-conductor
C. either of them
D. none of them
9 Whenever a covalent bond is broken in an intrinsic semi-conductor
A. hole is created
B. an electron is created
C. an electron-hole pair is generated
D. all of them
10 The materials in which valence electrons are bound very tightly to their atoms and are not free, are known as
A. conductors
B. insulators
C. semi-conductors
D. all of them

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