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 crystalline structure of NaCI is

Question # 2

The transition from solid to liquid is actually from:

Question # 3

Arsenic, antimony and phosphorus are the elements from

Question # 4

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 # 5

The vast majority of solids are in the form of

Question # 6

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

Question # 7

Which of the following can become a good permanent magnet

Question # 8

Recently a complex crystalline structure known as Yetrium Barium Copper Oxide have been reported to become superconductor at

Question # 9

The force applied on unit area to produce any change in the shape, volume or length of a body is known as

Question # 10

The critical temperature of aluminium is

Question # 11

Which of the following can become a good temporarily magnet

Question # 12

Synthetic materials fall into the category of

Question # 13

The results of mechanical tests are usually expressed in terms of

Question # 14

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

Question # 15

A structure of polymeric solid is:

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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 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
3 Lead, copper and wrought iron are examples of
A. brittle substances
B. ductile substances
C. plastic substances
D. elastic substances
4 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
5 The ability of the body to return to its original shape is called
A. deformation
B. stretching
C. compressing
D. elasticity
6 Recently a complex crystalline structure known as Yetrium Barium Copper Oxide have been reported to become superconductor at
A. 125 K
B. 25 K
C. 263 K
D. 163 K
7 An atom in which there is a resultant magnetic field, behaves like a tiny magnet and is called as
A. magnetic
B. magnetic dipole
C. magnetic monopole
D. none of them
8 The materials in which valence electrons are bound very tightly to their atoms and are not free, are known as
A. conductors
B. insulators
C. semi-conductors
D. all of them
9 On heating, glass gradually softens into a paste like before it becomes a very viscous liquid at almost
A. 600°C
B. 7600°C
C. 800°C
D. 900°C
10 In a soft iron, domains are
A. easily oriented along external field and do not return to original random positions
B. easily oriented along external field and readily returns to originally random position
C. do no oriented along external field and also do not returns to originally random position
D. none of them

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