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

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

Question # 2

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

Question # 3

There is a regular arrangement of molecules in a

Question # 4

The force applied on unit area to produce any change in the shape, volume or length of a body is known as

Question # 5

The pattern of crystalline solid is:

Question # 6

Examples of polymeric substances are:

Question # 7

The neighbours of every molecule in crystalline solids are arranged in

Question # 8

The ratio of shearing stress/shearing strain is called as

Question # 9

The pattern of NaCl particles have a shape which is :

Question # 10

The size of the domain is such that they can contain

Question # 11

The bands below the valence band are

Question # 12

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

Question # 13

The transition from solid to liquid is actually from:

Question # 14

Amorphous solids:

Question # 15

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

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 The domains are of macroscopic size of the order of
A. centimeters
B. meters
C. millimeters
D. nanomneters
3 The critical temperature of aluminium is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
4 The critical temperature of mercury is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
5 A structure of polymeric solid is:
A. An ordered structure
B. A disordered structure
C. Intermediate between order and disorder
D. Any of these
6 The smallest three dimensional basic structure is called as:
A. An atom
B. Unit cell
C. Crystal lattice
D. Polymer
7 Every crystalline solid has
A. definite melting point
B. different melting points
C. may or may not be definite
D. none of them
8 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
9 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
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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