ECAT Pre Computer Science Chapter 17 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 17 Physics of Solids

Try The MCQ's Test For ECAT Physics Chapter 17 Physics of Solids

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ECAT Physics Chapter 17 Physics of Solids

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Question # 1

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

Question # 2

Experiments revealed that the ratio of the stress to the strain is a constant value for

Question # 3

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

Question # 4

There are some whose resistivity becomes zero below a certain temperature, called

Question # 5

The critical temperature of aluminium is

Question # 6

In the stress-strain graph, stress is increased linearly with strain until a point is reached, this point is known as

Question # 7

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

Question # 8

The electrons in the outermost shell of an atom are called

Question # 9

Electrons of an isolated atom are bound to the nucleus, and

Question # 10

The magnetism produced by electrons within an atom can arise from

Question # 11

Which of the following can become a good temporarily magnet

Question # 12

The bands below the valence band are

Question # 13

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

Question # 14

There is a regular arrangement of molecules in a

Question # 15

The ratio of linear stress/linear strain is called as

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The vast majority of solids are in the form of
A. amorphous structure
B. polymeric structure
C. crystalline structure
D. all of them
2 Polymers are the chemical combination of carbon with:
A. Nitrogen
B. Oxygen
C. Hydrogen
D. All of these
3 In the stress-strain graph, stress is increased linearly with strain until a point is reached, this point is known as
A. plastic limit
B. plastic deformation
C. proportional limit
D. elastic behaviour
4 The critical temperature of mercury is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
5 The SI unit of strain is
A. N
B. Dynes
C. Pascal
D. Dimensionless
6 When the shear stress and shear stain are involved, then their ratio is called
A. Young's modulus
B. Bulk modulus
C. Shear modulus
D. all of them
7 In the doping process, the ratio of the doping atoms to the semi conductor atom is
A. 1 to 10
B. 1 to 103
C. 1 to 106
D. 1 to 109
8 If the stress increased beyond the elastic limit of the material. the deformation produced in the material will be
A. permanent
B. temporary
C. either of them
D. none of them
9 Every crystalline solid has
A. definite melting point
B. different melting points
C. may or may not be definite
D. none of them
10 Experiments revealed that the ratio of the stress to the strain is a constant value for
A. different material
B. all materials
C. a given material
D. all of them

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