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

Amorphous solids:

Question # 2

The transition from solid to liquid is actually from:

Question # 3

There are some whose resistivity becomes zero below a certain temperature, called

Question # 4

When a silicon crystal is doped with a pentavalent element, such an extrinsic semi-conductor is called

Question # 5

On heating, glass gradually softens into a paste like before it becomes a very viscous liquid at almost

Question # 6

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

Question # 7

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 # 8

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

Question # 9

The magnetism produced by electrons within an atom can arise from

Question # 10

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

Question # 11

Which of the following can become a good temporarily magnet

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

The electrons in the outermost shell of an atom are called

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The results of mechanical tests are usually expressed in terms of
A. stress
B. strain
C. stress and strain
D. neither strees nor strain
2 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
3 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
4 The vast majority of solids are in the form of
A. amorphous structure
B. polymeric structure
C. crystalline structure
D. all of them
5 The word amorphous means:
A. Without any structure
B. With definite structure
C. Regular arrangement of molecules
D. Both (B) and (C)
6 The transition from solid state to liquid state is:
A. Abrupt
B. Slow
C. Continous
D. Discontinous
7 The size of the domain is such that they can contain
A. 102to 104atoms
B. 104 to 108atoms
C. 108to 1012atoms
D. 1012to 1016atoms
8 Tick the one which is not polymer solid:
A. Zirconia
B. Polythene
C. Nylon
D. Synthetic rubber
9 When relatively simple molecules are chemically combined into massive molecules, the reaction is called:
A. Fission reaction
B. Fusion reaction
C. Polymerization
D. Any of these
10 The ability of the body to return to its original shape is called
A. deformation
B. stretching
C. compressing
D. elasticity

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