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 electrons occupying the conduction band are known as

Question # 2

The curie temperature of iron is about

Question # 3

When the shear stress and shear stain are involved, then their ratio is called

Question # 4

The cohesive forces between atoms, molecules or ions in crystalline solids maintain the strict

Question # 5

Tick the one which is not polymer solid:

Question # 6

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

Question # 7

The solids are classified as:

Question # 8

Glass is an example of

Question # 9

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

Question # 10

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

Question # 11

Polymers are the chemical combination of carbon with:

Question # 12

In a semi-conductor material, current flows due to

Question # 13

Which of the following can become a good temporarily magnet

Question # 14

The materials in which valence electrons are bound very tightly to their atoms and are not free, are known as

Question # 15

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

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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 Tick the one which is not a crystalline solid:
A. Zirconia
B. Glass
C. Copper
D. Ceramic solid
3 The 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
4 The temperature at which the vibrations become so great that structure of the Crystal breaks up, is called:
A. Critical temparature
B. Temperature of vaporization
C. Melting point
D. Both (A) and (C)
5 The vast majority of solids are in the form of
A. amorphous structure
B. polymeric structure
C. crystalline structure
D. all of them
6 The maximum stress that a material can withstand, is known as
A. plastic point
B. elastic limit
C. yield point
D. ultimate tensile strength
7 The domains are of macroscopic size of the order of
A. centimeters
B. meters
C. millimeters
D. nanomneters
8 The results of mechanical tests are usually expressed in terms of
A. stress
B. strain
C. stress and strain
D. neither strees nor strain
9 When relatively simple molecules are chemically combined into massive molecules, the reaction is called:
A. Fission reaction
B. Fusion reaction
C. Polymerization
D. Any of these
10 Lead, copper and wrought iron are examples of
A. brittle substances
B. ductile substances
C. plastic substances
D. elastic substances

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