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 electrons in the outermost shell of an atom are called

Question # 2

Zirconia is classified as:

Question # 3

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

Question # 4

Ferromagnetic substances lose their magnetism when heated above a certain temperature, known as

Question # 5

The pattern of crystalline solid is:

Question # 6

The critical temperature of tin is

Question # 7

Polymeric solids have

Question # 8

When the shear stress and shear stain are involved, then their ratio is called

Question # 9

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

Question # 10

The band above the valence band is called

Question # 11

The ratio of shearing stress/shearing strain is called as

Question # 12

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

Question # 13

The bands below the valence band are

Question # 14

The curie temperature of iron is about

Question # 15

When relatively simple molecules are chemically combined into massive molecules, the reaction is called:

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The transition from solid to liquid is actually from:
A. Order to disorder
B. Disorder to order
C. Order to order
D. Disorder to disorder
2 Amorphous solids:
A. Have definite melting points
B. Are called glassy solids
C. Have no definite melting point
D. Both (B) and (C)
3 The number of different crystals systems based on the geometrical arrangement of their atoms and the resultant geometrical structure are
A. 5
B. 7
C. 9
D. 14
4 Synthetic materials fall into the category of
A. crystalline solids
B. amorphous
C. polymeric solids
D. all of them
5 An ordinary glass gradually softens into a 'paste -like' state before it becomes a very viscous liquid. It happens almost at:
A. 800oC
B. 500oC
C. 300oC
D. 100oC
6 The bonding between the semi-conductor materials is
A. covalent
B. ionic
C. either of them
D. none of them
7 In metallic crystals which of the following thing remains constant
A. amplitude of oscillations
B. temperature of solid
C. average atomic positions
D. all of them
8 Which of the following theory completely explain the three types of materials
A. Bohr model of electron distribution
B. Rutherford atomic model
C. Pauli's exclusion principle
D. energy band theory
9 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
10 Tick the one which is not polymer solid:
A. Zirconia
B. Polythene
C. Nylon
D. Synthetic rubber

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