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

The molecules or ions in a crystalline solids are

Question # 2

Tick the one which is not a crystalline solid:

Question # 3

Which of the following can become a good temporarily magnet

Question # 4

Arsenic, antimony and phosphorus are the elements from

Question # 5

Any superconductor with critical temperature above 77 K, is referred as

Question # 6

The magnetism produced by electrons within an atom can arise from

Question # 7

Zirconia is classified as:

Question # 8

A structure of polymeric solid is:

Question # 9

The band above the valence band is called

Question # 10

The cohesive forces between atoms, molecules or ions in crystalline solids maintain the strict

Question # 11

When a stress changes length, it is called the

Question # 12

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

Question # 13

The results of mechanical tests are usually expressed in terms of

Question # 14

The bands below the valence band are

Question # 15

When a silicon crystal is doped with a pentavalent element, then the atom of the pentavalent element is known as

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 Arsenic, antimony and phosphorus are the elements from
A. third group
B. fourth group
C. fifth group
D. none of them
2 The temperature at which the vibrations become so great that structure of the Crystal breaks up, is called:
A. Critical temparature
B. Temperature of vaporization
C. Melting point
D. Both (A) and (C)
3 The magnetism produced by electrons within an atom can arise from
A. electrons orbiting the nucleus
B. electrons posses a spin
C. both motions
D. none of these motions
4 Examples of polymeric substances are:
A. Plastic
B. Synthetic rubbers
C. Zirconia
D. All of these
5 The solids are classified as:
A. Metals
B. Crystalline
C. Amorphous
D. Polymeric
6 Which of the following theory completely explain the three types of materials
A. Bohr model of electron distribution
B. Rutherford atomic model
C. Pauli's exclusion principle
D. energy band theory
7 In metallic crystals which of the following thing remains constant
A. amplitude of oscillations
B. temperature of solid
C. average atomic positions
D. all of them
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 Glass and high carbon steel are the examples of
A. brittle substances
B. ductile substances
C. plastic substances
D. elastic substances
10 Tick the one which is not a crystalline solid:
A. Zirconia
B. Glass
C. Copper
D. Ceramic solid

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