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

The molecules or ions in a crystalline solids are

Question # 2

Examples of polymeric substances are:

Question # 3

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

Question # 4

The SI unit of stress is

Question # 5

The bonding between the semi-conductor materials is

Question # 6

In a semi-conductor material, current flows due to

Question # 7

Synthetic materials fall into the category of

Question # 8

Zirconia is classified as:

Question # 9

The conduction band in a solid

Question # 10

The doped semi-conductor materials are known as

Question # 11

The pattern of NaCl particles have a shape which is :

Question # 12

The maximum stress that a material can withstand, is known as

Question # 13

Polymeric solids have

Question # 14

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

Question # 15

The size of the domain is such that they can contain

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The transition from solid state to liquid state is:
A. Abrupt
B. Slow
C. Continous
D. Discontinous
2 The cohesive forces between atoms, molecules or ions in crystalline solids maintain the strict
A. short range order
B. long range order
C. both of them
D. none of them
3 The amplitude of oscillation of each atom in a metallic crystal rises with the
A. rise in temperature
B. decrease in temperature
C. even temperature remains constant
D. all of them
4 The critical temperature of aluminium is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
5 The solids are classified as:
A. Metals
B. Crystalline
C. Amorphous
D. Polymeric
6 Semi-conductor elements have atoms with
A. 2 valence electrons
B. 3 valence electrons
C. 4 valence electrons
D. 5 valence electrons
7 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
8 Examples of polymeric substances are:
A. Plastic
B. Synthetic rubbers
C. Zirconia
D. All of these
9 when the deformation produced in the material become permanent, this type of behaviour is called
A. proportionality
B. elasticity
C. plasticity
D. none of them
10 The greatest stress that a material can endure without losing the proportionality between stress and strain is called
A. plastic line
B. breaking point
C. proportional limit
D. none of them

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