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 first super conductor was discovered in

Question # 2

The materials in which valence electrons are bound very tightly to their atoms and are not free, are known as

Question # 3

The critical temperature of aluminium is

Question # 4

In metallic crystals which of the following thing remains constant

Question # 5

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

Question # 6

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

Question # 7

Semi-conductor elements have atoms with

Question # 8

Each atom in a metal crystal vibrates about a fixed point with an amplitude that:

Question # 9

The band above the valence band is called

Question # 10

Synthetic materials fall into the category of

Question # 11

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

Question # 12

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

Question # 13

The pattern of crystalline solid is:

Question # 14

In a soft iron, domains are

Question # 15

The ratio of shearing stress/shearing strain is called as

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The substance in which atoms cooperate with each other in such a way so as to exhibit a strong magnetic effect, are called
A. diamagnetic substances
B. ferromagnetic substances
C. paramagnetic substances
D. all of them
2 In case of the three dimensional deformation, when volume is involved, the ratio of applied stress to volumetric strain is called
A. Young's modulus
B. Bulk modulus
C. Shear modulus
D. all of them
3 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)
4 Under the elastic region, the deformation produced in the material, the deformation produced in the material will be
A. permanent
B. temporary
C. either of them
D. none of them
5 The word amorphous means:
A. Without any structure
B. With definite structure
C. Regular arrangement of molecules
D. Both (B) and (C)
6 The modulus of elasticity can be written as
A. stress x strain
B. strain/stress
C. 1/2 x stress x strain
D. stress/strain
7 The doped semi-conductor materials are known as
A. intrinsic semi-conductor
B. extrinsic semi-conductor
C. either of them
D. none of them
8 The vast majority of solids are in the form of
A. amorphous structure
B. polymeric structure
C. crystalline structure
D. all of them
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 The substances in which, atom are so oriented that their fields support each other and the atoms behave like tiny magnets, are called
A. diamagnetic substances
B. ferromagnetic substances
C. paramagnetic substances
D. all of them

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