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

The ratio of linear stress/linear strain is called as

Question # 2

The substances in which, atom are so oriented that their fields support each other and the atoms behave like tiny magnets, are called

Question # 3

Amorphous solids are also more like

Question # 4

The temperature at which the vibrations become so great that structure of the Crystal breaks up, is called:

Question # 5

The conduction band in a solid

Question # 6

The electrons in the outermost shell of an atom are called

Question # 7

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

Question # 8

In case of the three dimensional deformation, when volume is involved, the ratio of applied stress to volumetric strain is called

Question # 9

The maximum stress that a material can withstand, is known as

Question # 10

When a stress changes the shape, it is called the

Question # 11

Arsenic, antimony and phosphorus are the elements from

Question # 12

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

Question # 13

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

Question # 14

Tick the one which is not polymer solid:

Question # 15

The curie temperature of iron is about

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 Above the curie temperature, iron becomes
A. ferromagnetic
B. paramagnetic
C. diamagnetic
D. any one of them
2 The transition from solid state to liquid state is:
A. Abrupt
B. Slow
C. Continous
D. Discontinous
3 Crystalline solids are in the form of:
A. Metals
B. Ionic Compounds
C. Ceramics
D. Both (A) and (B)
4 A semi-conductor in its extremely pure form is known as
A. extrinsic semi-conductor
B. intrinsic semi-conductor
C. either of them
D. none of them
5 Any superconductor with critical temperature above 77 K, is referred as
A. low temperature superconductor
B. high temperature superconductor
C. very low temperature superconductor
D. none of them
6 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
7 The smallest three dimensional basic structure is called as:
A. An atom
B. Unit cell
C. Crystal lattice
D. Polymer
8 Recently a complex crystalline structure known as Yetrium Barium Copper Oxide have been reported to become superconductor at
A. 125 K
B. 25 K
C. 263 K
D. 163 K
9 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
10 Every crystalline solid has
A. definite melting point
B. different melting points
C. may or may not be definite
D. none of them

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