ECAT Pre Engineering Physics Chapter 17 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 17 Physics of Solid

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 17 Physics of Solid

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Physics ECAT Pre Engineering Chapter 17 Physics of Solid

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Question # 1

The smallest three dimensional basic structure is called as:

Question # 2

When the shear stress and shear stain are involved, then their ratio is called

Question # 3

The materials in which valence electrons are bound very tightly to their atoms and are not free, are known as

Question # 4

When relatively simple molecules are chemically combined into massive molecules, the reaction is called:

Question # 5

Recently a complex crystalline structure known as Yetrium Barium Copper Oxide have been reported to become superconductor at

Question # 6

The size of the domain is such that they can contain

Question # 7

When a silicon crystal is doped with a pentavalent element, such an extrinsic semi-conductor is called

Question # 8

The ratio of linear stress/linear strain is called as

Question # 9

On heating, glass gradually softens into a paste like before it becomes a very viscous liquid at almost

Question # 10

The magnetism produced by electrons within an atom can arise from

Question # 11

Which of the following can become a good permanent magnet

Question # 12

When a silicon crystal is doped with a pentavalent element, then the atom of the pentavalent element is known as

Question # 13

The electrons occupying the conduction band are known as

Question # 14

In a cubic crystal, All solids meet at:

Question # 15

Each atom in metal crystal:

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The molecules or ions in a crystalline solids are
A. static
B. not static
C. randomly moving
D. all of them
2 In the phenomenon of hysteresis
A. magnetism leads the magnetising current
B. magnetism lags behind the magnetising current
C. meganetism goes along the magnetising current
D. none of them
3 The solids which has structure in-between order and disorder are called
A. amorphous solids
B. polymeric solids
C. crystalline solids
D. all of them
4 In a cubic crystal, All solids meet at:
A. 60o
B. 90o
C. 109o
D. 30o
5 There are some whose resistivity becomes zero below a certain temperature, called
A. absolute zero
B. 0°C
C. critical temperature
D. lower fixed point
6 The ratio of linear stress/linear strain is called as
A. Yong's modulus
B. Bulk modulus
C. Shear modulus
D. Modulus
7 When a stress changes length, it is called the
A. compressional stress
B. tensile stress
C. shear stress
D. any one of them
8 Which of the following can become a good permanent magnet
A. iron
B. steel
C. both of them
D. none of them
9 A unit cell is smallest basic structure which is:
A. One dimensional
B. Two dimensional
C. Three dimensional
D. Four dimensional
10 Amorphous solids:
A. Have definite melting points
B. Are called glassy solids
C. Have no definite melting point
D. Both (B) and (C)

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  • farooq,khan

    farooq,khan

    17 Oct 2018

    when,stress,apply,change,in,length,called,tensil,stress

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