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

A unit cell is smallest basic structure which is:

Question # 2

Tick the one which is not polymer solid:

Question # 3

Synthetic materials fall into the category of

Question # 4

Tick the one which is not a crystalline solid:

Question # 5

The whole structure obtained by the repetition of unit cells is called:

Question # 6

Recent studies of ferromagnetism have shown that there exists in ferromagnetic substances small regions called

Question # 7

The transition from solid to liquid is actually from:

Question # 8

Lead, copper and wrought iron are examples of

Question # 9

In a soft iron, domains are

Question # 10

The greatest stress that a material can endure without losing the proportionality between stress and strain is called

Question # 11

The force applied on unit area to produce any change in the shape, volume or length of a body is known as

Question # 12

The electrons occupying the conduction band are known as

Question # 13

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

Question # 14

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

Question # 15

The transition from solid state to liquid state is:

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The ratio of shearing stress/shearing strain is called as
A. Modulus
B. Pascal modulus
C. Hooker's modulus
D. Shear modulus
2 The arrangement or molecules or atoms in a crystalline solid can be studied by using:
A. Chemical methods
B. Neutrons
C. X-ray techniques
D. Copper atoms
3 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
4 The curie temperature of iron is about
A. 250°C
B. 500°C
C. 750°C
D. 1000°C
5 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
6 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
7 The pattern of NaCl particles have a shape which is :
A. Cubic
B. Body centred cubic
C. Simple cubic
D. face centred
8 The doped semi-conductor materials are known as
A. intrinsic semi-conductor
B. extrinsic semi-conductor
C. either of them
D. none of them
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 Which of the following can become a good temporarily magnet
A. iron
B. steel
C. both of them
D. none of them

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