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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 electrons in the outermost shell of an atom are called
Question # 2
When a silicon crystal is doped with a pentavalent element, then the atom of the pentavalent element is known as
Question # 3
Polymeric solids have
Question # 4
On heating, glass gradually softens into a paste like before it becomes a very viscous liquid at almost
Question # 5
The critical temperature of tin is
Question # 6
The amplitude of oscillation of each atom in a metallic crystal rises with the
Question # 7
The size of the domain is such that they can contain
Question # 8
In a soft iron, domains are
Question # 9
The SI unit of stress is
Question # 10
The materials in which there are plenty of free electrons for electrical conduction are known as
Question # 11
The cohesive forces between atoms, molecules or ions in crystalline solids maintain the strict
Question # 12
The whole structure obtained by the repetition of unit cells is called:
Question # 13
Examples of crystalline solids are:
Question # 14
In the doping process, the ratio of the doping atoms to the semi conductor atom is
Question # 15
The ability of the body to return to its original shape 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 | Amorphous solids: |
A. Have definite melting points
B. Are called glassy solids
C. Have no definite melting point
D. Both (B) and (C)
|
| 2 | An atom in which there is a resultant magnetic field, behaves like a tiny magnet and is called as |
A. magnetic
B. magnetic dipole
C. magnetic monopole
D. none of them
|
| 3 | The maximum stress that a material can withstand, is known as |
A. plastic point
B. elastic limit
C. yield point
D. ultimate tensile strength
|
| 4 | Examples of polymeric substances are: |
A. Plastic
B. Synthetic rubbers
C. Zirconia
D. All of these
|
| 5 | The crystalline structure of NaCI is |
A. rectangular
B. hexagonal
C. tetrahedral
D. cubical
|
| 6 | The number of different crystals systems based on the geometrical arrangement of their atoms and the resultant geometrical structure are |
A. 5
B. 7
C. 9
D. 14
|
| 7 | A structure of polymeric solid is: |
A. An ordered structure
B. A disordered structure
C. Intermediate between order and disorder
D. Any of these
|
| 8 | Which of the following theory completely explain the three types of materials |
A. Bohr model of electron distribution
B. Rutherford atomic model
C. Pauli's exclusion principle
D. energy band theory
|
| 9 | The bonding between the semi-conductor materials is |
A. covalent
B. ionic
C. either of them
D. none of them
|
| 10 | In a semi-conductor material, current flows due to |
A. positive charge
B. negative charge
C. both of them
D. none of them
|
Test Questions
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