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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
When relatively simple molecules are chemically combined into massive molecules, the reaction is called:
Question # 2
The temperature at which the vibrations become so great that structure of the Crystal breaks up, is called:
Question # 3
The doped semi-conductor materials are known as
Question # 4
The size of the domain is such that they can contain
Question # 5
Glass and high carbon steel are the examples of
Question # 6
Arsenic, antimony and phosphorus are the elements from
Question # 7
Polymers are the chemical combination of carbon with:
Question # 8
In the phenomenon of hysteresis
Question # 9
A unit cell is smallest basic structure which is:
Question # 10
In a semi-conductor material, the total current is
Question # 11
When the shear stress and shear stain are involved, then their ratio is called
Question # 12
In the stress-strain graph, stress is increased linearly with strain until a point is reached, this point is known as
Question # 13
The units of modulus of elasticity are
Question # 14
A semi-conductor in its extremely pure form is known as
Question # 15
If the stress increased beyond the elastic limit of the material. the deformation produced in the material will be
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 | 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
|
| 2 | Polymeric solids have |
A. low specific gravity
B. high specific gravity
C. either of them
D. none of them
|
| 3 | The curie temperature of iron is about |
A. 250°C
B. 500°C
C. 750°C
D. 1000°C
|
| 4 | 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
|
| 5 | Crystalline solids are in the form of: |
A. Metals
B. Ionic Compounds
C. Ceramics
D. Both (A) and (B)
|
| 6 | The pattern of crystalline solid is: |
A. One dimesional
B. Two dimensional
C. Three dimensional
D. None of these
|
| 7 | The maximum stress that a material can withstand, is known as |
A. plastic point
B. elastic limit
C. yield point
D. ultimate tensile strength
|
| 8 | Examples of crystalline solids are: |
A. Cooper
B. NaCl
C. Zirconia
D. Both (A) and (B)
|
| 9 | Electrons of an isolated atom are bound to the nucleus, and |
A. can only have distinct energy level
B. can only have same energy level
C. may or may not have distinct energy levels
D. none of these
|
| 10 | Within each domain, the magnetic field of all the spinning electrons are |
A. parallel
B. antiparallel
C. perpendicular
D. all of them
|
Test Questions
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