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

Question # 2

Examples of polymeric substances are:

Question # 3

The substances which break just after the elastic limit is reached, are known as

Question # 4

Which of the following can become a good temporarily magnet

Question # 5

The solids which has structure in-between order and disorder are called

Question # 6

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

Question # 7

Amorphous solids:

Question # 8

The band above the valence band is called

Question # 9

The domains are of macroscopic size of the order of

Question # 10

When small number of atoms from some other suitable element is added to the semi-conductor material, then this process is known as

Question # 11

The electrons occupying the conduction band are known as

Question # 12

Polymers are the chemical combination of carbon with:

Question # 13

Crystalline solids are in the form of:

Question # 14

Glass is an example of

Question # 15

The SI unit of stress is

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 The arrangement or molecules or atoms in a crystalline solid can be studied by using:
A. Chemical methods
B. Neutrons
C. X-ray techniques
D. Copper atoms
4 Semi-conductor elements have atoms with
A. 2 valence electrons
B. 3 valence electrons
C. 4 valence electrons
D. 5 valence electrons
5 Tick the one which is not polymer solid:
A. Zirconia
B. Polythene
C. Nylon
D. Synthetic rubber
6 Polymers are the chemical combination of carbon with:
A. Nitrogen
B. Oxygen
C. Hydrogen
D. All of these
7 The magnetism produced by electrons within an atom can arise from
A. electrons orbiting the nucleus
B. electrons posses a spin
C. both motions
D. none of these motions
8 The critical temperature of tin is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
9 The cohesive forces between atoms, molecules or ions in crystalline solids maintain the strict
A. short range order
B. long range order
C. both of them
D. none of them
10 When a large number of atoms are brought close to one another to form a solid, each energy level of an isolated atom splits into sub-levels, called
A. energy bands
B. energy shells
C. states
D. all of them

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