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

In case of the three dimensional deformation, when volume is involved, the ratio of applied stress to volumetric strain is called

Question # 2

Each atom in a metal crystal vibrates about a fixed point with an amplitude that:

Question # 3

If the stress increased beyond the elastic limit of the material. the deformation produced in the material will be

Question # 4

The size of the domain is such that they can contain

Question # 5

The smallest three dimensional basic structure in a crystalline solid is called

Question # 6

Under the elastic region, the deformation produced in the material, the deformation produced in the material will be

Question # 7

The SI unit of strain is

Question # 8

The SI unit of stress is

Question # 9

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

Question # 10

The crystalline structure of NaCI is

Question # 11

The substance in which atoms are so oriented that the field produced by spin and orbital motion of the electrons might add up to zero,are called

Question # 12

The measure of the deformation in a solid when stress is applied to its is called

Question # 13

A unit cell is smallest basic structure which is:

Question # 14

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

Question # 15

Glass and high carbon steel are the examples of

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The crystalline structure of NaCI is
A. rectangular
B. hexagonal
C. tetrahedral
D. cubical
2 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
3 The neighbours of every molecule in crystalline solids are arranged in
A. an irregular manner
B. a regular manner
C. any manner
D. none of them
4 The SI unit of strain is
A. N
B. Dynes
C. Pascal
D. Dimensionless
5 Which of the following can become a good temporarily magnet
A. iron
B. steel
C. both of them
D. none of them
6 The solids are classified as:
A. Metals
B. Crystalline
C. Amorphous
D. Polymeric
7 A structure of polymeric solid is:
A. An ordered structure
B. A disordered structure
C. Intermediate between order and disorder
D. Any of these
8 When small number of atoms from some other suitable element is added to the semi-conductor material, then this process is known as
A. impurification
B. adding
C. doping
D. extrinsivity
9 The materials in which there are plenty of free electrons for electrical conduction are known as
A. conductors
B. insulators
C. semi-conductors
D. all of them
10 The word amorphous means:
A. Without any structure
B. With definite structure
C. Regular arrangement of molecules
D. Both (B) and (C)

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