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

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

Question # 2

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

Question # 3

An atom in which there is a resultant magnetic field, behaves like a tiny magnet and is called as

Question # 4

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

Question # 5

The solids are classified as:

Question # 6

Glass and high carbon steel are the examples of

Question # 7

The results of mechanical tests are usually expressed in terms of

Question # 8

Which of the following can become a good temporarily magnet

Question # 9

The modulus of elasticity can be written as

Question # 10

In the phenomenon of hysteresis

Question # 11

The electrons in the outermost shell of an atom are called

Question # 12

Tick the one which is not polymer solid:

Question # 13

The ability of the body to return to its original shape is called

Question # 14

Whenever a covalent bond is broken in an intrinsic semi-conductor

Question # 15

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

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 Amorphous solids:
A. Have definite melting points
B. Are called glassy solids
C. Have no definite melting point
D. Both (B) and (C)
2 Tick the one which is not polymer solid:
A. Zirconia
B. Polythene
C. Nylon
D. Synthetic rubber
3 The SI unit of stress is
A. N/m2
B. Nmc
C. dynes/m
D. N
4 Semi-conductor elements have atoms with
A. 2 valence electrons
B. 3 valence electrons
C. 4 valence electrons
D. 5 valence electrons
5 If the stress increased beyond the elastic limit of the material. the deformation produced in the material will be
A. permanent
B. temporary
C. either of them
D. none of them
6 Polymers are the chemical combination of carbon with:
A. Nitrogen
B. Oxygen
C. Hydrogen
D. All of these
7 The valence band of an atom in a solid
A. is always empty
B. may or may not be empty
C. can never be empty
D. none of them
8 The ratio of shearing stress/shearing strain is called as
A. Modulus
B. Pascal modulus
C. Hooker's modulus
D. Shear modulus
9 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
10 There are some whose resistivity becomes zero below a certain temperature, called
A. absolute zero
B. 0°C
C. critical temperature
D. lower fixed point

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