ECAT Pre Engineering Physics Chapter 17 MCQ Test With Answer

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 critical temperature of tin is

Question # 2

When a silicon crystal is doped with a pentavalent element, then the atom of the pentavalent element is known as

Question # 3

The pattern of crystalline solid is:

Question # 4

The measure of the deformation in a solid when stress is applied to its is called

Question # 5

In a soft iron, domains are

Question # 6

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

Question # 7

In metallic crystals which of the following thing remains constant

Question # 8

Amorphous solids are also more like

Question # 9

The critical temperature of aluminium is

Question # 10

Amorphous solids are also called as

Question # 11

The conduction band in a solid

Question # 12

The ratio of shearing stress/shearing strain is called as

Question # 13

The arrangement or molecules or atoms in a crystalline solid can be studied by using:

Question # 14

In the phenomenon of hysteresis

Question # 15

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

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ECAT Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following can become a good permanent magnet
A. iron
B. steel
C. both of them
D. none of them
2 The substance in which atoms are so oriented that the field produced by spin and orbital motion of the electrons might add up to zero,are called
A. diamagnetic substances
B. ferromagnetic substances
C. paramagnetic substances
D. all of them
3 In crystalline solids, atoms are held about their equilibrium positions depending upon the strength of:
A. Adhesive force
B. Nuclear forces
C. Inter atomic cohesive force
D. Electromagnetic force
4 The domains are of macroscopic size of the order of
A. centimeters
B. meters
C. millimeters
D. nanomneters
5 When relatively simple molecules are chemically combined into massive molecules, the reaction is called:
A. Fission reaction
B. Fusion reaction
C. Polymerization
D. Any of these
6 Glass and high carbon steel are the examples of
A. brittle substances
B. ductile substances
C. plastic substances
D. elastic substances
7 The force applied on unit area to produce any change in the shape, volume or length of a body is known as
A. strain
B. elasticity
C. stretching
D. stress
8 The bonding between the semi-conductor materials is
A. covalent
B. ionic
C. either of them
D. none of them
9 The critical temperature of tin is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
10 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

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