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ECAT Pre General Science Physics Chapter 17 Physics of Solids
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Total Questions30
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Time Allowed30
ECAT Pre General Science Physics Chapter 17 Physics of Solids
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Question # 1
The transition from solid to liquid is actually from:
Question # 2
The materials in which valence electrons are bound very tightly to their atoms and are not free, are known as
Question # 3
Whenever a covalent bond is broken in an intrinsic semi-conductor
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
A unit cell is smallest basic structure which is:
Question # 6
The doped semi-conductor materials are known as
Question # 7
When a stress changes the shape, it is called the
Question # 8
Amorphous solids:
Question # 9
A structure of polymeric solid is:
Question # 10
In a cubic crystal, All solids meet at:
Question # 11
When a stress changes length, it is called the
Question # 12
The first super conductor was discovered in
Question # 13
If the stress increased beyond the elastic limit of the material. the deformation produced in the material will be
Question # 14
Recent studies of ferromagnetism have shown that there exists in ferromagnetic substances small regions called
Question # 15
Tick the one which is not a crystalline solid:
Question # 16
The maximum stress that a material can withstand, is known as
Question # 17
The substances which break just after the elastic limit is reached, are known as
Question # 18
The ability of the body to return to its original shape is called
Question # 19
Lead, copper and wrought iron are examples of
Question # 20
The electrons occupying the conduction band are known as
Question # 21
When small number of atoms from some other suitable element is added to the semi-conductor material, then this process is known as
Question # 22
Recently a complex crystalline structure known as Yetrium Barium Copper Oxide have been reported to become superconductor at
Question # 23
In case of the three dimensional deformation, when volume is involved, the ratio of applied stress to volumetric strain is called
Question # 24
There is a regular arrangement of molecules in a
Question # 25
Amorphous solids are also called as
Question # 26
An ordinary glass gradually softens into a 'paste -like' state before it becomes a very viscous liquid. It happens almost at:
Question # 27
The vast majority of solids are in the form of
Question # 28
The SI unit of strain is
Question # 29
The crystalline structure of NaCI is
Question # 30
The materials in which there are plenty of free electrons for electrical conduction are known as
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Biology Chapter 1 MCQ - PDF
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Download PDF with answers to study online or offline. The PDF cotnains all MCQ questions with answers for Class 10 Biology Chapter 1 - Acids and Liquids. Total questions are 12.