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

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

Question # 3

In metallic crystals which of the following thing remains constant

Question # 4

Recently a complex crystalline structure known as Yetrium Barium Copper Oxide have been reported to become superconductor at

Question # 5

The solids are classified as:

Question # 6

Any superconductor with critical temperature above 77 K, is referred as

Question # 7

Crystalline solids are in the form of:

Question # 8

Each atom in metal crystal:

Question # 9

The word amorphous means:

Question # 10

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

Question # 11

Which of the following theory completely explain the three types of materials

Question # 12

The domains are of macroscopic size of the order of

Question # 13

Lead, copper and wrought iron are examples of

Question # 14

Polymeric solids have

Question # 15

Tick the one which is not polymer solid:

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 Glass is an example of
A. crystalline solid
B. amorphous solid
C. polymeric solid
D. none of them
3 A unit cell is smallest basic structure which is:
A. One dimensional
B. Two dimensional
C. Three dimensional
D. Four dimensional
4 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
5 An atom in which there is a resultant magnetic field, behaves like a tiny magnet and is called as
A. magnetic
B. magnetic dipole
C. magnetic monopole
D. none of them
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 first super conductor was discovered in
A. 1811
B. 1890
C. 1901
D. 1911
8 The band above the valence band is called
A. high energy band
B. conduction band
C. empty band
D. none of them
9 There is a regular arrangement of molecules in a
A. amorphous solids
B. polymeric solids
C. crystalline solids
D. none of them
10 The charged nucleus of an atom itself spins its magnetic field
A. equal to the field produced by orbital electrons
B. greater than the field produced by orbital electrons
C. much weaker than the field produced by orbital electrons
D. none of these

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