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 critical temperature of tin is

Question # 2

In the doping process, the ratio of the doping atoms to the semi conductor atom is

Question # 3

Tick the one which is not polymer solid:

Question # 4

The materials in which there are plenty of free electrons for electrical conduction are known as

Question # 5

When a stress changes the shape, it is called the

Question # 6

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

Question # 7

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

Question # 8

The ratio of linear stress/linear strain is called as

Question # 9

Substances which break just after the elastic limit is reached, are known as

Question # 10

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

Question # 11

Glass is an example of

Question # 12

The substances in which, atom are so oriented that their fields support each other and the atoms behave like tiny magnets, are called

Question # 13

The electrons in the outermost shell of an atom are called

Question # 14

A semi-conductor in its extremely pure form is known as

Question # 15

Within each domain, the magnetic field of all the spinning electrons are

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 Above the curie temperature, iron becomes
A. ferromagnetic
B. paramagnetic
C. diamagnetic
D. any one of them
2 The bonding between the semi-conductor materials is
A. covalent
B. ionic
C. either of them
D. none of them
3 The solids which has structure in-between order and disorder are called
A. amorphous solids
B. polymeric solids
C. crystalline solids
D. all of them
4 Polymeric solids have
A. low specific gravity
B. high specific gravity
C. either of them
D. none of them
5 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
6 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
7 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
8 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
A. diamagnetic substances
B. ferromagnetic substances
C. paramagnetic substances
D. all of them
9 The size of the domain is such that they can contain
A. 102to 104atoms
B. 104 to 108atoms
C. 108to 1012atoms
D. 1012to 1016atoms
10 The number of different crystals systems based on the geometrical arrangement of their atoms and the resultant geometrical structure are
A. 5
B. 7
C. 9
D. 14

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