ECAT Pre Computer Science Chapter 17 MCQ Test With Answer

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

When small number of atoms from some other suitable element is added to the semi-conductor material, then this process is known as

Question # 2

Amorphous solids are also called as

Question # 3

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

Question # 4

The ratio of shearing stress/shearing strain is called as

Question # 5

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

Question # 6

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

Question # 7

The conduction band in a solid

Question # 8

The amplitude of oscillation of each atom in a metallic crystal rises with the

Question # 9

Every crystalline solid has

Question # 10

Tick the one which is not a crystalline solid:

Question # 11

Whenever a covalent bond is broken in an intrinsic semi-conductor

Question # 12

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

Question # 13

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

Question # 14

In the phenomenon of hysteresis

Question # 15

Polymers are the chemical combination of carbon with:

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 Zirconia is classified as:
A. Ceramic solid
B. Ionic compound
C. Metal
D. Either (A) or (B)
2 The vast majority of solids are in the form of
A. amorphous structure
B. polymeric structure
C. crystalline structure
D. all of them
3 In a cubic crystal, All solids meet at:
A. 60o
B. 90o
C. 109o
D. 30o
4 The smallest three dimensional basic structure in a crystalline solid is called
A. lattice point
B. crystal lattice
C. cubic crystal
D. unit cell
5 The doped semi-conductor materials are known as
A. intrinsic semi-conductor
B. extrinsic semi-conductor
C. either of them
D. none of them
6 Amorphous solids are also more like
A. crystalline solids
B. gases
C. liquids
D. any one 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 The critical temperature of aluminium is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
9 Ferromagnetic substances lose their magnetism when heated above a certain temperature, known as
A. critical temperature
B. curie temperature
C. high temperature
D. fixed temperature
10 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

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