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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
In a semi-conductor material, the total current is
Question # 2
The smallest three dimensional basic structure in a crystalline solid is called
Question # 3
Lead, copper and wrought iron are examples of
Question # 4
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 # 5
The bonding between the semi-conductor materials is
Question # 6
The first super conductor was discovered in
Question # 7
The whole structure obtained by the repetition of unit cells is called:
Question # 8
The temperature at which the vibrations become so great that structure of the Crystal breaks up, is called:
Question # 9
Recently a complex crystalline structure known as Yetrium Barium Copper Oxide have been reported to become superconductor at
Question # 10
When a silicon crystal is doped with a pentavalent element, then the atom of the pentavalent element is known as
Question # 11
Polymeric solids have
Question # 12
Amorphous solids are also called as
Question # 13
when the deformation produced in the material become permanent, this type of behaviour is called
Question # 14
The maximum stress that a material can withstand, is known as
Question # 15
Whenever a covalent bond is broken in an intrinsic semi-conductor
Top Scorers Of ECAT Physics Chapter 17 Physics of Solids MCQ`s Test
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H HAMZA Shah 21 - Sep - 2021 00 Min 59 Sec 60/60 -
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 -
F Farhan Arshad 28 - Nov - 2024 03 Min 03 Sec 55/60 -
A Abdullah Baloch 01 - Aug - 2024 03 Min 14 Sec 55/60 -
H Haram 26 - Jun - 2021 05 Min 07 Sec 55/60 -
U Umer Usman 10 - Mar - 2024 02 Min 17 Sec 50/60 -
M Muhammad Rizwan 16 - Jul - 2022 02 Min 24 Sec 50/60 -
A Alishba Farooq 09 - Mar - 2024 45 Min 56 Sec 50/60 -
Z Zia Ullah Chahal 08 - Mar - 2024 02 Min 28 Sec 45/60 -
M Muhammad noor Ahmed 28 - Feb - 2024 02 Min 41 Sec 45/60 -
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 | When a stress changes length, it is called the |
A. compressional stress
B. tensile stress
C. shear stress
D. any one of them
|
| 2 | Synthetic materials fall into the category of |
A. crystalline solids
B. amorphous
C. polymeric solids
D. all of them
|
| 3 | When the shear stress and shear stain are involved, then their ratio is called |
A. Young's modulus
B. Bulk modulus
C. Shear modulus
D. all of them
|
| 4 | Arsenic, antimony and phosphorus are the elements from |
A. third group
B. fourth group
C. fifth group
D. none of them
|
| 5 | An ordinary glass gradually softens into a 'paste -like' state before it becomes a very viscous liquid. It happens almost at: |
A. 800oC
B. 500oC
C. 300oC
D. 100oC
|
| 6 | The band above the valence band is called |
A. high energy band
B. conduction band
C. empty band
D. none of them
|
| 7 | The modulus of elasticity can be written as |
A. stress x strain
B. strain/stress
C. 1/2 x stress x strain
D. stress/strain
|
| 8 | The curie temperature of iron is about |
A. 250°C
B. 500°C
C. 750°C
D. 1000°C
|
| 9 | 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
|
| 10 | The doped semi-conductor materials are known as |
A. intrinsic semi-conductor
B. extrinsic semi-conductor
C. either of them
D. none of them
|
Test Questions
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