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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 size of the domain is such that they can contain
Question # 2
In crystalline solids, atoms are held about their equilibrium positions depending upon the strength of:
Question # 3
When small number of atoms from some other suitable element is added to the semi-conductor material, then this process is known as
Question # 4
In the doping process, the ratio of the doping atoms to the semi conductor atom is
Question # 5
The transition from solid to liquid is actually from:
Question # 6
In a semi-conductor material, current flows due to
Question # 7
In a cubic crystal, All solids meet at:
Question # 8
The critical temperature of tin is
Question # 9
The measure of the deformation in a solid when stress is applied to its is called
Question # 10
The units of modulus of elasticity are
Question # 11
Ferromagnetic substances lose their magnetism when heated above a certain temperature, known as
Question # 12
When relatively simple molecules are chemically combined into massive molecules, the reaction is called:
Question # 13
The neighbours of every molecule in crystalline solids are arranged in
Question # 14
When a silicon crystal is doped with a pentavalent element, then the atom of the pentavalent element is known as
Question # 15
The ratio of shearing stress/shearing strain is called as
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 | Above the curie temperature, iron becomes |
A. ferromagnetic
B. paramagnetic
C. diamagnetic
D. any one of them
|
| 2 | Under the elastic region, the deformation produced in the material, the deformation produced in the material will be |
A. permanent
B. temporary
C. either of them
D. none of them
|
| 3 | The molecules or ions in a crystalline solids are |
A. static
B. not static
C. randomly moving
D. all of them
|
| 4 | 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
|
| 5 | When a stress changes the shape, it is called the |
A. compressional stress
B. tensile stress
C. shear stress
D. any one of them
|
| 6 | The crystalline structure of NaCI is |
A. rectangular
B. hexagonal
C. tetrahedral
D. cubical
|
| 7 | Crystalline solids are in the form of: |
A. Metals
B. Ionic Compounds
C. Ceramics
D. Both (A) and (B)
|
| 8 | 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
|
| 9 | 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
|
| 10 | In a semi-conductor material, the total current is |
A. only the +ve current
B. only the electronic current
C. sum of +ve and electronic current
D. all of them
|
Test Questions