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

In the phenomenon of hysteresis

Question # 2

Tick the one which is not polymer solid:

Question # 3

The crystalline structure of NaCI is

Question # 4

The vast majority of solids are in the form of

Question # 5

The conduction band in a solid

Question # 6

The transition from solid state to liquid state is:

Question # 7

Whenever a covalent bond is broken in an intrinsic semi-conductor

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The units of modulus of elasticity are

Question # 12

An ordinary glass gradually softens into a 'paste -like' state before it becomes a very viscous liquid. It happens almost at:

Question # 13

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

Question # 14

The critical temperature of mercury is

Question # 15

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

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
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 modulus of elasticity can be written as
A. stress x strain
B. strain/stress
C. 1/2 x stress x strain
D. stress/strain
4 The bands below the valence band are
A. completely filled and play active part in conduction process
B. completely filled and plays no part in conduction process
C. completely filled and play active part in conduction process
D. not completely filled and play no part in conduction process
5 An ordinary glass gradually softens into a 'paste -like' state before it becomes a very viscous liquid. It happens almost at:
A. 800oC
B. 500oC
C. 300oC
D. 100oC
6 When small number of atoms from some other suitable element is added to the semi-conductor material, then this process is known as
A. impurification
B. adding
C. doping
D. extrinsivity
7 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
8 A semi-conductor in its extremely pure form is known as
A. extrinsic semi-conductor
B. intrinsic semi-conductor
C. either of them
D. none of them
9 The conduction band in a solid
A. may be empty
B. cannot be empty
C. should be filed
D. all of them
10 The bonding between the semi-conductor materials is
A. covalent
B. ionic
C. either 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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