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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 domains are of macroscopic size of the order of
Question # 2
Which of the following can become a good temporarily magnet
Question # 3
The materials in which valence electrons are bound very tightly to their atoms and are not free, are known as
Question # 4
Amorphous solids are also called as
Question # 5
The electrons occupying the conduction band are known as
Question # 6
Under the elastic region, the deformation produced in the material, the deformation produced in the material will be
Question # 7
The critical temperature of mercury is
Question # 8
Synthetic materials fall into the category of
Question # 9
Ferromagnetic substances lose their magnetism when heated above a certain temperature, known as
Question # 10
The ratio of shearing stress/shearing strain is called as
Question # 11
Which of the following can become a good permanent magnet
Question # 12
The greatest stress that a material can endure without losing the proportionality between stress and strain is called
Question # 13
A semi-conductor in its extremely pure form is known as
Question # 14
Within each domain, the magnetic field of all the spinning electrons are
Question # 15
The temperature at which the vibrations become so great that structure of the Crystal breaks up, is called:
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 | The SI unit of stress is |
A. N/m2
B. Nmc
C. dynes/m
D. N
|
| 2 | If the stress increased beyond the elastic limit of the material. the deformation produced in the material will be |
A. permanent
B. temporary
C. either of them
D. none of them
|
| 3 | In crystalline solids, atoms are held about their equilibrium positions depending upon the strength of: |
A. Adhesive force
B. Nuclear forces
C. Inter atomic cohesive force
D. Electromagnetic force
|
| 4 | The charged nucleus of an atom itself spins its magnetic field |
A. equal to the field produced by orbital electrons
B. greater than the field produced by orbital electrons
C. much weaker than the field produced by orbital electrons
D. none of these
|
| 5 | In metallic crystals which of the following thing remains constant |
A. amplitude of oscillations
B. temperature of solid
C. average atomic positions
D. all of them
|
| 6 | 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 |
A. energy bands
B. energy shells
C. states
D. all of them
|
| 7 | 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
|
| 8 | The SI unit of strain is |
A. N
B. Dynes
C. Pascal
D. Dimensionless
|
| 9 | In case of the three dimensional deformation, when volume is involved, the ratio of applied stress to volumetric strain is called |
A. Young's modulus
B. Bulk modulus
C. Shear modulus
D. all of them
|
| 10 | The substance in which atoms cooperate with each other in such a way so as to exhibit a strong magnetic effect, are called |
A. diamagnetic substances
B. ferromagnetic substances
C. paramagnetic substances
D. all of them
|
Test Questions
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