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

Which of the following can become a good permanent magnet

Question # 2

Which of the following theory completely explain the three types of materials

Question # 3

In the phenomenon of hysteresis

Question # 4

The critical temperature of tin is

Question # 5

When a silicon crystal is doped with a pentavalent element, then the atom of the pentavalent element is known as

Question # 6

A semi-conductor in its extremely pure form is known as

Question # 7

The bands below the valence band are

Question # 8

In a semi-conductor material, current flows due to

Question # 9

In a soft iron, domains are

Question # 10

The force which maintain the strict long-range order between atoms of a crystalline solid is the:

Question # 11

The results of mechanical tests are usually expressed in terms of

Question # 12

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

Question # 13

Any superconductor with critical temperature above 77 K, is referred as

Question # 14

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

Question # 15

The pattern of crystalline solid is:

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 The size of the domain is such that they can contain
A. 102to 104atoms
B. 104 to 108atoms
C. 108to 1012atoms
D. 1012to 1016atoms
3 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
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 Polymeric solids have
A. low specific gravity
B. high specific gravity
C. either of them
D. none of them
6 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
7 Any superconductor with critical temperature above 77 K, is referred as
A. low temperature superconductor
B. high temperature superconductor
C. very low temperature superconductor
D. none of them
8 Which of the following can become a good temporarily magnet
A. iron
B. steel
C. both of them
D. none of them
9 Amorphous solids are also called as
A. crystalline solids
B. polymeric solids
C. glassy solids
D. any one of them
10 The crystalline structure of NaCI is
A. rectangular
B. hexagonal
C. tetrahedral
D. cubical

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