ECAT Pre Engineering Physics Chapter 17 MCQ Test With Answer

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

Every crystalline solid has

Question # 2

Amorphous solids are also more like

Question # 3

The magnetism produced by electrons within an atom can arise from

Question # 4

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

Question # 5

The ability of the body to return to its original shape is called

Question # 6

The doped semi-conductor materials are known as

Question # 7

The transition from solid state to liquid state is:

Question # 8

In a cubic crystal, All solids meet at:

Question # 9

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

Question # 10

In the doping process, the ratio of the doping atoms to the semi conductor atom is

Question # 11

The force which maintain the strict long-range order between atoms of a crystalline solid is the:

Question # 12

In a soft iron, domains are

Question # 13

Above the curie temperature, iron becomes

Question # 14

A structure of polymeric solid is:

Question # 15

The arrangement or molecules or atoms in a crystalline solid can be studied by using:

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 Crystalline solids are in the form of:
A. Metals
B. Ionic Compounds
C. Ceramics
D. Both (A) and (B)
2 The bonding between the semi-conductor materials is
A. covalent
B. ionic
C. either of them
D. none of them
3 When a stress changes length, it is called the
A. compressional stress
B. tensile stress
C. shear stress
D. any one of them
4 In a cubic crystal, All solids meet at:
A. 60o
B. 90o
C. 109o
D. 30o
5 In a soft iron, domains are
A. easily oriented along external field and do not return to original random positions
B. easily oriented along external field and readily returns to originally random position
C. do no oriented along external field and also do not returns to originally random position
D. none of them
6 The SI unit of strain is
A. N
B. Dynes
C. Pascal
D. Dimensionless
7 Substances which break just after the elastic limit is reached, are known as
A. brittle substances
B. ductile substances
C. plastic substances
D. elastic substances
8 Amorphous solids are also called as
A. crystalline solids
B. polymeric solids
C. glassy solids
D. any one of them
9 In crystalline solids, atoms are held about their equilibrium positions depending upon the strength of:
A. Adhesive force
B. Nuclear forces
C. Inter atomic cohesive force
D. Electromagnetic force
10 The ratio of shearing stress/shearing strain is called as
A. Modulus
B. Pascal modulus
C. Hooker's modulus
D. Shear modulus

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