ECAT Pre Engineering Physics Chapter 17 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 17 Physics of Solid

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 17 Physics of Solid

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Physics ECAT Pre Engineering Chapter 17 Physics of Solid

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Question # 1

The crystalline structure of NaCI is

Question # 2

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

Question # 3

The transition from solid state to liquid state is:

Question # 4

When a stress changes the shape, it is called the

Question # 5

when the deformation produced in the material become permanent, this type of behaviour is called

Question # 6

The SI unit of strain is

Question # 7

The magnetism produced by electrons within an atom can arise from

Question # 8

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

Question # 9

The substance in which atoms cooperate with each other in such a way so as to exhibit a strong magnetic effect, are called

Question # 10

In the stress-strain graph, stress is increased linearly with strain until a point is reached, this point is known as

Question # 11

In a cubic crystal, All solids meet at:

Question # 12

The cohesive forces between atoms, molecules or ions in crystalline solids maintain the strict

Question # 13

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

Question # 14

Synthetic materials fall into the category of

Question # 15

The smallest three dimensional basic structure is called as:

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The vast majority of solids are in the form of
A. amorphous structure
B. polymeric structure
C. crystalline structure
D. all of them
2 The size of the domain is such that they can contain
A. 102to 104atoms
B. 104 to 108atoms
C. 108to 1012atoms
D. 1012to 1016atoms
3 The units of modulus of elasticity are
A. Nm-2
B. Nm
C. ms-1
D. Pascal
4 The substances which break just after the elastic limit is reached, are known as
A. brittle substances
B. ductile substances
C. plastic substances
D. elastic substances
5 A unit cell is smallest basic structure which is:
A. One dimensional
B. Two dimensional
C. Three dimensional
D. Four dimensional
6 Any superconductor with critical temperature above 77 K, is referred as
A. low temperature superconductor
B. high temperature superconductor
C. very low temperature superconductor
D. none of them
7 Glass and high carbon steel are the examples of
A. brittle substances
B. ductile substances
C. plastic substances
D. elastic substances
8 Which of the following can become a good permanent magnet
A. iron
B. steel
C. both of them
D. none of them
9 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
10 In a semi-conductor material, current flows due to
A. positive charge
B. negative charge
C. both of them
D. none of them

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  • farooq,khan

    farooq,khan

    17 Oct 2018

    when,stress,apply,change,in,length,called,tensil,stress

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