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

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

Question # 2

Glass is an example of

Question # 3

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

Question # 4

When a silicon crystal is doped with a pentavalent element, such an extrinsic semi-conductor is called

Question # 5

Electrons of an isolated atom are bound to the nucleus, and

Question # 6

The solids are classified as:

Question # 7

The ratio of shearing stress/shearing strain is called as

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

An atom in which there is a resultant magnetic field, behaves like a tiny magnet and is called as

Question # 12

The ratio of linear stress/linear strain is called as

Question # 13

Semi-conductor elements have atoms with

Question # 14

Examples of crystalline solids are:

Question # 15

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

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 Glass and high carbon steel are the examples of
A. brittle substances
B. ductile substances
C. plastic substances
D. elastic substances
2 The pattern of crystalline solid is:
A. One dimesional
B. Two dimensional
C. Three dimensional
D. None of these
3 The force which maintain the strict long-range order between atoms of a crystalline solid is the:
A. Nuclear force
B. Cohesive force
C. Adhesive force
D. Coulomb force
4 Examples of crystalline solids are:
A. Cooper
B. NaCl
C. Zirconia
D. Both (A) and (B)
5 The materials in which there are plenty of free electrons for electrical conduction are known as
A. conductors
B. insulators
C. semi-conductors
D. all of them
6 The bonding between the semi-conductor materials is
A. covalent
B. ionic
C. either of them
D. none of them
7 Within each domain, the magnetic field of all the spinning electrons are
A. parallel
B. antiparallel
C. perpendicular
D. all of them
8 The SI unit of stress is
A. N/m2
B. Nmc
C. dynes/m
D. N
9 The solids are classified as:
A. Metals
B. Crystalline
C. Amorphous
D. Polymeric
10 The domains are of macroscopic size of the order of
A. centimeters
B. meters
C. millimeters
D. nanomneters

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  • farooq,khan

    farooq,khan

    17 Oct 2018

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

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