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

Above the curie temperature, iron becomes

Question # 2

In the stress-strain graph, stress is increased linearly with strain until a point is reached, this point is known as

Question # 3

The materials in which there are plenty of free electrons for electrical conduction are known as

Question # 4

The ability of the body to return to its original shape is called

Question # 5

The ratio of shearing stress/shearing strain is called as

Question # 6

In a semi-conductor material, current flows due to

Question # 7

Which of the following can become a good temporarily magnet

Question # 8

Recent studies of ferromagnetism have shown that there exists in ferromagnetic substances small regions called

Question # 9

Which of the following can become a good permanent magnet

Question # 10

In a cubic crystal, All solids meet at:

Question # 11

Glass is an example of

Question # 12

The SI unit of stress is

Question # 13

In metallic crystals which of the following thing remains constant

Question # 14

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

Question # 15

Tick the one which is not a crystalline solid:

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The size of the domain is such that they can contain
A. 102to 104atoms
B. 104 to 108atoms
C. 108to 1012atoms
D. 1012to 1016atoms
2 Each atom in a metal crystal vibrates about a fixed point with an amplitude that:
A. Decrease the rise in temprature
B. Is not affected by rise in temprature
C. Increase with rise in temprature
D. Both (B) and (C)
3 When a stress changes the shape, it is called the
A. compressional stress
B. tensile stress
C. shear stress
D. any one of them
4 In the phenomenon of hysteresis
A. magnetism leads the magnetising current
B. magnetism lags behind the magnetising current
C. meganetism goes along the magnetising current
D. none of them
5 When the shear stress and shear stain are involved, then their ratio is called
A. Young's modulus
B. Bulk modulus
C. Shear modulus
D. all of them
6 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
7 Electrons of an isolated atom are bound to the nucleus, and
A. can only have distinct energy level
B. can only have same energy level
C. may or may not have distinct energy levels
D. none of these
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 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
10 Lead, copper and wrought iron are examples of
A. brittle substances
B. ductile substances
C. plastic substances
D. elastic substances

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