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

Which of the following theory completely explain the three types of materials

Question # 2

The word amorphous means:

Question # 3

Polymeric solids have

Question # 4

The smallest three dimensional basic structure is called as:

Question # 5

when the deformation produced in the material become permanent, this type of behaviour is called

Question # 6

In a cubic crystal, All solids meet at:

Question # 7

The materials in which valence electrons are bound very tightly to their atoms and are not free, are known as

Question # 8

The electrons occupying the conduction band are known as

Question # 9

The modulus of elasticity can be written as

Question # 10

Zirconia is classified as:

Question # 11

A semi-conductor in its extremely pure form is known as

Question # 12

In the doping process, the ratio of the doping atoms to the semi conductor atom is

Question # 13

There is a regular arrangement of molecules in a

Question # 14

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

Question # 15

Recently a complex crystalline structure known as Yetrium Barium Copper Oxide have been reported to become superconductor at

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The critical temperature of tin is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
2 The measure of the deformation in a solid when stress is applied to its is called
A. elastic constant
B. young's modulus
C. strain
D. elasticity
3 Polymeric solids have
A. low specific gravity
B. high specific gravity
C. either of them
D. none of them
4 Amorphous solids:
A. Have definite melting points
B. Are called glassy solids
C. Have no definite melting point
D. Both (B) and (C)
5 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
6 The results of mechanical tests are usually expressed in terms of
A. stress
B. strain
C. stress and strain
D. neither strees nor strain
7 The transition from solid state to liquid state is:
A. Abrupt
B. Slow
C. Continous
D. Discontinous
8 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
9 The greatest stress that a material can endure without losing the proportionality between stress and strain is called
A. plastic line
B. breaking point
C. proportional limit
D. none of them
10 Zirconia is classified as:
A. Ceramic solid
B. Ionic compound
C. Metal
D. Either (A) or (B)

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