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 SI unit of strain is

Question # 2

Polymers are the chemical combination of carbon with:

Question # 3

The curie temperature of iron is about

Question # 4

The number of different crystals systems based on the geometrical arrangement of their atoms and the resultant geometrical structure are

Question # 5

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

Question # 6

Every crystalline solid has

Question # 7

The critical temperature of tin is

Question # 8

Above the curie temperature, iron becomes

Question # 9

Amorphous solids are also called as

Question # 10

Which of the following theory completely explain the three types of materials

Question # 11

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

Question # 12

The critical temperature of aluminium is

Question # 13

The crystalline structure of NaCI is

Question # 14

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

Question # 15

when the deformation produced in the material become permanent, this type of behaviour is called

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 Lead, copper and wrought iron are examples of
A. brittle substances
B. ductile substances
C. plastic substances
D. elastic substances
2 Amorphous solids:
A. Have definite melting points
B. Are called glassy solids
C. Have no definite melting point
D. Both (B) and (C)
3 The modulus of elasticity can be written as
A. stress x strain
B. strain/stress
C. 1/2 x stress x strain
D. stress/strain
4 The electrons occupying the conduction band are known as
A. conduction electrons
B. free electrons
C. both of them
D. none of them
5 The conduction band in a solid
A. may be empty
B. cannot be empty
C. should be filed
D. all of them
6 Recently a complex crystalline structure known as Yetrium Barium Copper Oxide have been reported to become superconductor at
A. 125 K
B. 25 K
C. 263 K
D. 163 K
7 Arsenic, antimony and phosphorus are the elements from
A. third group
B. fourth group
C. fifth group
D. none of them
8 The bonding between the semi-conductor materials is
A. covalent
B. ionic
C. either of them
D. none of them
9 The vast majority of solids are in the form of
A. amorphous structure
B. polymeric structure
C. crystalline structure
D. all of them
10 The first super conductor was discovered in
A. 1811
B. 1890
C. 1901
D. 1911

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