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 pattern of NaCl particles have a shape which is :

Question # 2

The band above the valence band is called

Question # 3

Arsenic, antimony and phosphorus are the elements from

Question # 4

The critical temperature of aluminium is

Question # 5

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

Question # 6

Glass and high carbon steel are the examples of

Question # 7

The smallest three dimensional basic structure is called as:

Question # 8

Crystalline solids are in the form of:

Question # 9

In a semi-conductor material, current flows due to

Question # 10

The magnetism produced by electrons within an atom can arise from

Question # 11

The smallest three dimensional basic structure in a crystalline solid is called

Question # 12

Every crystalline solid has

Question # 13

Polymeric solids have

Question # 14

In the doping process, the ratio of the doping atoms to the semi conductor atom is

Question # 15

Which of the following can become a good permanent magnet

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The greatest stress that a material can endure without losing the proportionality between stress and strain is called
A. plastic line
B. breaking point
C. proportional limit
D. none of them
2 The crystalline structure of NaCI is
A. rectangular
B. hexagonal
C. tetrahedral
D. cubical
3 The neighbours of every molecule in crystalline solids are arranged in
A. an irregular manner
B. a regular manner
C. any manner
D. none of them
4 The ability of the body to return to its original shape is called
A. deformation
B. stretching
C. compressing
D. elasticity
5 The band above the valence band is called
A. high energy band
B. conduction band
C. empty band
D. none of them
6 Arsenic, antimony and phosphorus are the elements from
A. third group
B. fourth group
C. fifth group
D. none of them
7 Synthetic materials fall into the category of
A. crystalline solids
B. amorphous
C. polymeric solids
D. all of them
8 Polymers are the chemical combination of carbon with:
A. Nitrogen
B. Oxygen
C. Hydrogen
D. All of these
9 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
10 Crystalline solids are in the form of:
A. Metals
B. Ionic Compounds
C. Ceramics
D. Both (A) and (B)

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