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

When a stress changes length, it is called the

Question # 2

Ferromagnetic substances lose their magnetism when heated above a certain temperature, known as

Question # 3

The charged nucleus of an atom itself spins its magnetic field

Question # 4

Arsenic, antimony and phosphorus are the elements from

Question # 5

The transition from solid to liquid is actually from:

Question # 6

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

Question # 7

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

Question # 8

The curie temperature of iron is about

Question # 9

Lead, copper and wrought iron are examples of

Question # 10

Polymers are the chemical combination of carbon with:

Question # 11

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

Question # 12

The pattern of NaCl particles have a shape which is :

Question # 13

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

Question # 14

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

Question # 15

Synthetic materials fall into the category of

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The charged nucleus of an atom itself spins its magnetic field
A. equal to the field produced by orbital electrons
B. greater than the field produced by orbital electrons
C. much weaker than the field produced by orbital electrons
D. none of these
2 Which of the following theory completely explain the three types of materials
A. Bohr model of electron distribution
B. Rutherford atomic model
C. Pauli's exclusion principle
D. energy band theory
3 A unit cell is smallest basic structure which is:
A. One dimensional
B. Two dimensional
C. Three dimensional
D. Four dimensional
4 When a stress changes the shape, it is called the
A. compressional stress
B. tensile stress
C. shear stress
D. any one of them
5 Polymers are the chemical combination of carbon with:
A. Nitrogen
B. Oxygen
C. Hydrogen
D. All of these
6 The electrons in the outermost shell of an atom are called
A. core electrons
B. valence electrons
C. high energy electrons
D. none of them
7 Zirconia is classified as:
A. Ceramic solid
B. Ionic compound
C. Metal
D. Either (A) or (B)
8 When a stress changes length, it is called the
A. compressional stress
B. tensile stress
C. shear stress
D. any one of them
9 The vast majority of solids are in the form of
A. amorphous structure
B. polymeric structure
C. crystalline structure
D. all of them
10 Polymeric solids have
A. low specific gravity
B. high specific gravity
C. either of them
D. none of them

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