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

The pattern of NaCl particles have a shape which is :

Question # 2

The conduction band in a solid

Question # 3

Zirconia is classified as:

Question # 4

An ordinary glass gradually softens into a 'paste -like' state before it becomes a very viscous liquid. It happens almost at:

Question # 5

The ratio of shearing stress/shearing strain is called as

Question # 6

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

Question # 7

Every crystalline solid has

Question # 8

Polymers are the chemical combination of carbon with:

Question # 9

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

Question # 10

When a silicon crystal is doped with a pentavalent element, then the atom of the pentavalent element is known as

Question # 11

The SI unit of strain is

Question # 12

The arrangement or molecules or atoms in a crystalline solid can be studied by using:

Question # 13

When a stress changes length, it is called the

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 Glass is an example of
A. crystalline solid
B. amorphous solid
C. polymeric solid
D. none of them
2 Amorphous solids are also more like
A. crystalline solids
B. gases
C. liquids
D. any one of them
3 A unit cell is smallest basic structure which is:
A. One dimensional
B. Two dimensional
C. Three dimensional
D. Four dimensional
4 In metallic crystals which of the following thing remains constant
A. amplitude of oscillations
B. temperature of solid
C. average atomic positions
D. all 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 An ordinary glass gradually softens into a 'paste -like' state before it becomes a very viscous liquid. It happens almost at:
A. 800oC
B. 500oC
C. 300oC
D. 100oC
7 Ferromagnetic substances lose their magnetism when heated above a certain temperature, known as
A. critical temperature
B. curie temperature
C. high temperature
D. fixed temperature
8 The critical temperature of mercury is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
9 The force applied on unit area to produce any change in the shape, volume or length of a body is known as
A. strain
B. elasticity
C. stretching
D. stress
10 The pattern of NaCl particles have a shape which is :
A. Cubic
B. Body centred cubic
C. Simple cubic
D. face centred

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