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

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

Question # 2

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

Question # 3

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

Question # 4

Every crystalline solid has

Question # 5

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

Question # 6

The materials in which there are plenty of free electrons for electrical conduction are known as

Question # 7

Zirconia is classified as:

Question # 8

In the phenomenon of hysteresis

Question # 9

Glass and high carbon steel are the examples of

Question # 10

The cohesive forces between atoms, molecules or ions in crystalline solids maintain the strict

Question # 11

The greatest stress that a material can endure without losing the proportionality between stress and strain is called

Question # 12

When a silicon crystal is doped with a pentavalent element, such an extrinsic semi-conductor is called

Question # 13

The word amorphous means:

Question # 14

The curie temperature of iron is about

Question # 15

The units of modulus of elasticity are

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 Crystalline solids are in the form of:
A. Metals
B. Ionic Compounds
C. Ceramics
D. Both (A) and (B)
2 When a stress changes length, it is called the
A. compressional stress
B. tensile stress
C. shear stress
D. any one of them
3 Tick the one which is not polymer solid:
A. Zirconia
B. Polythene
C. Nylon
D. Synthetic rubber
4 The molecules or ions in a crystalline solids are
A. static
B. not static
C. randomly moving
D. all of them
5 The critical temperature of aluminium is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
6 The ability of the body to return to its original shape is called
A. deformation
B. stretching
C. compressing
D. elasticity
7 The critical temperature of mercury is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
8 The pattern of NaCl particles have a shape which is :
A. Cubic
B. Body centred cubic
C. Simple cubic
D. face centred
9 Polymers are the chemical combination of carbon with:
A. Nitrogen
B. Oxygen
C. Hydrogen
D. All of these
10 The domains are of macroscopic size of the order of
A. centimeters
B. meters
C. millimeters
D. nanomneters

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