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

Amorphous solids are also more like

Question # 2

The neighbours of every molecule in crystalline solids are arranged in

Question # 3

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

Question # 4

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

Question # 5

The electrons occupying the conduction band are known as

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

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

Question # 9

The charged nucleus of an atom itself spins its magnetic field

Question # 10

In the phenomenon of hysteresis

Question # 11

In a semi-conductor material, the total current is

Question # 12

The conduction band in a solid

Question # 13

In metallic crystals which of the following thing remains constant

Question # 14

The substance in which atoms are so oriented that the field produced by spin and orbital motion of the electrons might add up to zero,are called

Question # 15

The ratio of shearing stress/shearing strain is called as

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The bonding between the semi-conductor materials is
A. covalent
B. ionic
C. either of them
D. none of them
2 When a large number of atoms are brought close to one another to form a solid, each energy level of an isolated atom splits into sub-levels, called
A. energy bands
B. energy shells
C. states
D. all of them
3 The modulus of elasticity can be written as
A. stress x strain
B. strain/stress
C. 1/2 x stress x strain
D. stress/strain
4 The critical temperature of mercury is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
5 When small number of atoms from some other suitable element is added to the semi-conductor material, then this process is known as
A. impurification
B. adding
C. doping
D. extrinsivity
6 The maximum stress that a material can withstand, is known as
A. plastic point
B. elastic limit
C. yield point
D. ultimate tensile strength
7 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
8 Zirconia is classified as:
A. Ceramic solid
B. Ionic compound
C. Metal
D. Either (A) or (B)
9 When a silicon crystal is doped with a pentavalent element, then the atom of the pentavalent element is known as
A. acceptor
B. donor
C. either of them
D. none of them
10 Experiments revealed that the ratio of the stress to the strain is a constant value for
A. different material
B. all materials
C. a given material
D. all of them

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