ECAT Pre Engineering Physics Chapter 17 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 17 Physics of Solid

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Physics ECAT Pre Engineering Chapter 17 Physics of Solid

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Question # 1

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

Question # 2

The domains are of macroscopic size of the order of

Question # 3

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

Question # 4

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

Question # 5

Each atom in a metal crystal vibrates about a fixed point with an amplitude that:

Question # 6

Glass is an example of

Question # 7

When a stress changes the shape, it is called the

Question # 8

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

Question # 9

In the phenomenon of hysteresis

Question # 10

The smallest three dimensional basic structure is called as:

Question # 11

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

Question # 12

Polymeric solids have

Question # 13

Polymers are the chemical combination of carbon with:

Question # 14

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

Question # 15

The critical temperature of tin is

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following can become a good temporarily magnet
A. iron
B. steel
C. both of them
D. none of them
2 The neighbours of every molecule in crystalline solids are arranged in
A. an irregular manner
B. a regular manner
C. any manner
D. none of them
3 Polymeric solids have
A. low specific gravity
B. high specific gravity
C. either of them
D. none of them
4 The critical temperature of tin is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
5 On heating, glass gradually softens into a paste like before it becomes a very viscous liquid at almost
A. 600°C
B. 7600°C
C. 800°C
D. 900°C
6 The vast majority of solids are in the form of
A. amorphous structure
B. polymeric structure
C. crystalline structure
D. all of them
7 Arsenic, antimony and phosphorus are the elements from
A. third group
B. fourth group
C. fifth group
D. none of them
8 In case of the three dimensional deformation, when volume is involved, the ratio of applied stress to volumetric strain is called
A. Young's modulus
B. Bulk modulus
C. Shear modulus
D. all of them
9 when the deformation produced in the material become permanent, this type of behaviour is called
A. proportionality
B. elasticity
C. plasticity
D. none of them
10 The greatest stress that a material can endure without losing the proportionality between stress and strain is called
A. plastic line
B. breaking point
C. proportional limit
D. none of them

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