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

Within each domain, the magnetic field of all the spinning electrons are

Question # 2

The charged nucleus of an atom itself spins its magnetic field

Question # 3

The force which maintain the strict long-range order between atoms of a crystalline solid is the:

Question # 4

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

Question # 5

The critical temperature of tin is

Question # 6

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

Question # 7

Any superconductor with critical temperature above 77 K, is referred as

Question # 8

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

Question # 9

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

Question # 10

The pattern of NaCl particles have a shape which is :

Question # 11

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

Question # 12

Arsenic, antimony and phosphorus are the elements from

Question # 13

The word amorphous means:

Question # 14

The transition from solid to liquid is actually from:

Question # 15

In case of the three dimensional deformation, when volume is involved, the ratio of applied stress to volumetric strain is called

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The maximum stress that a material can withstand, is known as
A. plastic point
B. elastic limit
C. yield point
D. ultimate tensile strength
2 The whole structure obtained by the repetition of unit cells is called:
A. Crystal lattice
B. Amorphous solid
C. Polymeric solid
D. Polysterne
3 In a semi-conductor material, current flows due to
A. positive charge
B. negative charge
C. both of them
D. none of them
4 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
5 The word amorphous means:
A. Without any structure
B. With definite structure
C. Regular arrangement of molecules
D. Both (B) and (C)
6 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
7 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
8 The ratio of shearing stress/shearing strain is called as
A. Modulus
B. Pascal modulus
C. Hooker's modulus
D. Shear modulus
9 Zirconia is classified as:
A. Ceramic solid
B. Ionic compound
C. Metal
D. Either (A) or (B)
10 Every crystalline solid has
A. definite melting point
B. different melting points
C. may or may not be definite
D. none of them

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