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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
00:00
Question # 1
The domains are of macroscopic size of the order of
Question # 2
A unit cell is smallest basic structure which is:
Question # 3
Which of the following can become a good temporarily magnet
Question # 4
Recent studies of ferromagnetism have shown that there exists in ferromagnetic substances small regions called
Question # 5
The modulus of elasticity can be written as
Question # 6
Ferromagnetic substances lose their magnetism when heated above a certain temperature, known as
Question # 7
The ratio of linear stress/linear strain is called as
Question # 8
Whenever a covalent bond is broken in an intrinsic semi-conductor
Question # 9
Electrons of an isolated atom are bound to the nucleus, and
Question # 10
Semi-conductor elements have atoms with
Question # 11
The pattern of crystalline solid is:
Question # 12
The first super conductor was discovered in
Question # 13
Polymers are the chemical combination of carbon with:
Question # 14
Tick the one which is not a crystalline solid:
Question # 15
Substances which break just after the elastic limit is reached, are known as
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H Heer 04 - Jan - 2024 00 Min 53 Sec 55/60 -
S Sana Hashim 23 - May - 2022 01 Min 23 Sec 55/60 -
U Ummehabiba I_156 11 - Mar - 2023 02 Min 30 Sec 55/60 -
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A Aleeza 21 - Jun - 2021 02 Min 42 Sec 45/60 -
I Ismail 04 - Aug - 2021 05 Min 15 Sec 45/60 -
S suzi 10 - Feb - 2026 01 Min 48 Sec 44/60
ECAT Physics Chapter 17 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The cohesive forces between atoms, molecules or ions in crystalline solids maintain the strict |
A. short range order
B. long range order
C. both of them
D. none of them
|
| 2 | Recent studies of ferromagnetism have shown that there exists in ferromagnetic substances small regions called |
A. tiny regions
B. domains
C. vectors
D. none of them
|
| 3 | Experiments revealed that the ratio of the stress to the strain is a constant value for |
A. different material
B. all materials
C. a given material
D. all of them
|
| 4 | Lead, copper and wrought iron are examples of |
A. brittle substances
B. ductile substances
C. plastic substances
D. elastic substances
|
| 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 | 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
|
| 7 | When a silicon crystal is doped with a pentavalent element, such an extrinsic semi-conductor is called |
A. p-type semi-conductor
B. n-type semi-conductor
C. either of them
D. none of them
|
| 8 | 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
|
| 9 | The arrangement or molecules or atoms in a crystalline solid can be studied by using: |
A. Chemical methods
B. Neutrons
C. X-ray techniques
D. Copper atoms
|
| 10 | The critical temperature of aluminium is |
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
|
Test Questions