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

When relatively simple molecules are chemically combined into massive molecules, the reaction is called:

Question # 2

The SI unit of stress is

Question # 3

Recent studies of ferromagnetism have shown that there exists in ferromagnetic substances small regions called

Question # 4

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

Question # 5

The whole structure obtained by the repetition of unit cells is called:

Question # 6

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

Question # 7

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

Question # 8

Polymers are the chemical combination of carbon with:

Question # 9

Amorphous solids:

Question # 10

The neighbours of every molecule in crystalline solids are arranged in

Question # 11

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

Question # 12

The materials in which valence electrons are bound very tightly to their atoms and are not free, are known as

Question # 13

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 # 14

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

Question # 15

The ability of the body to return to its original shape is called

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 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)
2 Polymeric solids have
A. low specific gravity
B. high specific gravity
C. either of them
D. none of them
3 In the stress-strain graph, stress is increased linearly with strain until a point is reached, this point is known as
A. plastic limit
B. plastic deformation
C. proportional limit
D. elastic behaviour
4 In the doping process, the ratio of the doping atoms to the semi conductor atom is
A. 1 to 10
B. 1 to 103
C. 1 to 106
D. 1 to 109
5 The charged nucleus of an atom itself spins its magnetic field
A. equal to the field produced by orbital electrons
B. greater than the field produced by orbital electrons
C. much weaker than the field produced by orbital electrons
D. none of these
6 The first super conductor was discovered in
A. 1811
B. 1890
C. 1901
D. 1911
7 The pattern of crystalline solid is:
A. One dimesional
B. Two dimensional
C. Three dimensional
D. None of these
8 Tick the one which is not a crystalline solid:
A. Zirconia
B. Glass
C. Copper
D. Ceramic solid
9 Synthetic materials fall into the category of
A. crystalline solids
B. amorphous
C. polymeric solids
D. all of them
10 There is a regular arrangement of molecules in a
A. amorphous solids
B. polymeric solids
C. crystalline solids
D. none of them

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