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 word amorphous means:

Question # 2

Under the elastic region, the deformation produced in the material, the deformation produced in the material will be

Question # 3

Arsenic, antimony and phosphorus are the elements from

Question # 4

On heating, glass gradually softens into a paste like before it becomes a very viscous liquid at almost

Question # 5

Zirconia is classified as:

Question # 6

In metallic crystals which of the following thing remains constant

Question # 7

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

Question # 8

Polymers are the chemical combination of carbon with:

Question # 9

When a stress changes the shape, it is called the

Question # 10

Tick the one which is not polymer solid:

Question # 11

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

Question # 12

Lead, copper and wrought iron are examples of

Question # 13

If the stress increased beyond the elastic limit of the material. the deformation produced in the material will be

Question # 14

In crystalline solids, atoms are held about their equilibrium positions depending upon the strength of:

Question # 15

The results of mechanical tests are usually expressed in terms of

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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 The pattern of crystalline solid is:
A. One dimesional
B. Two dimensional
C. Three dimensional
D. None of these
3 Polymers are the chemical combination of carbon with:
A. Nitrogen
B. Oxygen
C. Hydrogen
D. All of these
4 Polymeric solids have
A. low specific gravity
B. high specific gravity
C. either of them
D. none of them
5 The smallest three dimensional basic structure in a crystalline solid is called
A. lattice point
B. crystal lattice
C. cubic crystal
D. unit cell
6 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
7 A unit cell is smallest basic structure which is:
A. One dimensional
B. Two dimensional
C. Three dimensional
D. Four dimensional
8 The substances in which, atom are so oriented that their fields support each other and the atoms behave like tiny magnets, are called
A. diamagnetic substances
B. ferromagnetic substances
C. paramagnetic substances
D. all of them
9 The critical temperature of mercury is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
10 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

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