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 SI unit of strain is

Question # 2

Polymers are the chemical combination of carbon with:

Question # 3

The crystalline structure of NaCI is

Question # 4

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

Question # 5

Ferromagnetic substances lose their magnetism when heated above a certain temperature, known as

Question # 6

The solids are classified as:

Question # 7

In a soft iron, domains are

Question # 8

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

Question # 9

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

Question # 10

The modulus of elasticity can be written as

Question # 11

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

Question # 12

The pattern of crystalline solid is:

Question # 13

When the shear stress and shear stain are involved, then their ratio is called

Question # 14

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

Question # 15

The magnetism produced by electrons within an atom can arise from

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The transition from solid to liquid is actually from:
A. Order to disorder
B. Disorder to order
C. Order to order
D. Disorder to disorder
2 Under the elastic region, the deformation produced in the material, the deformation produced in the material will be
A. permanent
B. temporary
C. either of them
D. none of them
3 The valence band of an atom in a solid
A. is always empty
B. may or may not be empty
C. can never be empty
D. none of them
4 Glass is an example of
A. crystalline solid
B. amorphous solid
C. polymeric solid
D. none of them
5 Each atom in metal crystal:
A. Remains fixed
B. Vibrates about a fixed point
C. Moves randomly
D. Rotates about center of a crystal
6 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
7 The cohesive forces between atoms, molecules or ions in crystalline solids maintain the strict
A. short range order
B. long range order
C. both of them
D. none of them
8 Glass and high carbon steel are the examples of
A. brittle substances
B. ductile substances
C. plastic substances
D. elastic substances
9 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
10 When a silicon crystal is doped with a pentavalent element, then the atom of the pentavalent element is known as
A. acceptor
B. donor
C. either of them
D. none of them

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