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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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Total Questions15
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Time Allowed20
ECAT Physics Chapter 17 Physics of Solids
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Question # 1
The bonding between the semi-conductor materials is
Question # 2
The curie temperature of iron is about
Question # 3
Every crystalline solid has
Question # 4
A semi-conductor in its extremely pure form is known as
Question # 5
Lead, copper and wrought iron are examples of
Question # 6
The vast majority of solids are in the form of
Question # 7
The band above the valence band is called
Question # 8
The substance in which atoms cooperate with each other in such a way so as to exhibit a strong magnetic effect, are called
Question # 9
Experiments revealed that the ratio of the stress to the strain is a constant value for
Question # 10
The first super conductor was discovered in
Question # 11
There are some whose resistivity becomes zero below a certain temperature, called
Question # 12
The measure of the deformation in a solid when stress is applied to its is called
Question # 13
The neighbours of every molecule in crystalline solids are arranged in
Question # 14
When a large number of atoms are brought close to one another to form a solid, each energy level of an isolated atom splits into sub-levels, called
Question # 15
Each atom in a metal crystal vibrates about a fixed point with an amplitude that:
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H Heer 04 - Jan - 2024 00 Min 53 Sec 55/60 -
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ECAT Physics Chapter 17 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Which of the following can become a good permanent magnet |
A. iron
B. steel
C. both of them
D. none of them
|
| 2 | The solids which has structure in-between order and disorder are called |
A. amorphous solids
B. polymeric solids
C. crystalline solids
D. all of them
|
| 3 | When small number of atoms from some other suitable element is added to the semi-conductor material, then this process is known as |
A. impurification
B. adding
C. doping
D. extrinsivity
|
| 4 | Above the curie temperature, iron becomes |
A. ferromagnetic
B. paramagnetic
C. diamagnetic
D. any one of them
|
| 5 | 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
|
| 6 | The first super conductor was discovered in |
A. 1811
B. 1890
C. 1901
D. 1911
|
| 7 | Each atom in a metal crystal vibrates about a fixed point with an amplitude that: |
A. Decrease the rise in temprature
B. Is not affected by rise in temprature
C. Increase with rise in temprature
D. Both (B) and (C)
|
| 8 | Examples of crystalline solids are: |
A. Cooper
B. NaCl
C. Zirconia
D. Both (A) and (B)
|
| 9 | The size of the domain is such that they can contain |
A. 102to 104atoms
B. 104 to 108atoms
C. 108to 1012atoms
D. 1012to 1016atoms
|
| 10 | 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
|
Test Questions
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