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

Above the curie temperature, iron becomes

Question # 2

The temperature at which the vibrations become so great that structure of the Crystal breaks up, is called:

Question # 3

The results of mechanical tests are usually expressed in terms of

Question # 4

When a stress changes the shape, it is called the

Question # 5

The units of modulus of elasticity are

Question # 6

The crystalline structure of NaCI is

Question # 7

The magnetism produced by electrons within an atom can arise from

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The transition from solid state to liquid state is:

Question # 12

The SI unit of stress is

Question # 13

Tick the one which is not polymer solid:

Question # 14

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

Question # 15

In metallic crystals which of the following thing remains constant

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 In a soft iron, domains are
A. easily oriented along external field and do not return to original random positions
B. easily oriented along external field and readily returns to originally random position
C. do no oriented along external field and also do not returns to originally random position
D. none of them
2 The transition from solid to liquid is actually from:
A. Order to disorder
B. Disorder to order
C. Order to order
D. Disorder to disorder
3 The whole structure obtained by the repetition of unit cells is called:
A. Crystal lattice
B. Amorphous solid
C. Polymeric solid
D. Polysterne
4 Glass is an example of
A. crystalline solid
B. amorphous solid
C. polymeric solid
D. none of them
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 The ratio of linear stress/linear strain is called as
A. Yong's modulus
B. Bulk modulus
C. Shear modulus
D. Modulus
7 Recently a complex crystalline structure known as Yetrium Barium Copper Oxide have been reported to become superconductor at
A. 125 K
B. 25 K
C. 263 K
D. 163 K
8 The solids are classified as:
A. Metals
B. Crystalline
C. Amorphous
D. Polymeric
9 The critical temperature of tin is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
10 When a silicon crystal is doped with a pentavalent element, then the atom of the pentavalent element is known as
A. acceptor
B. donor
C. either of them
D. none of them

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