ECAT Pre Computer Science Chapter 17 MCQ Test With Answer

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 pattern of NaCl particles have a shape which is :

Question # 3

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

Question # 4

The ratio of linear stress/linear strain is called as

Question # 5

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

Question # 6

Semi-conductor elements have atoms with

Question # 7

The bonding between the semi-conductor materials is

Question # 8

The transition from solid to liquid is actually from:

Question # 9

The crystalline structure of NaCI is

Question # 10

The force applied on unit area to produce any change in the shape, volume or length of a body is known as

Question # 11

When relatively simple molecules are chemically combined into massive molecules, the reaction is called:

Question # 12

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

Question # 13

The materials in which there are plenty of free electrons for electrical conduction are known as

Question # 14

In the stress-strain graph, stress is increased linearly with strain until a point is reached, this point is known as

Question # 15

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

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The molecules or ions in a crystalline solids are
A. static
B. not static
C. randomly moving
D. all of them
2 The SI unit of stress is
A. N/m2
B. Nmc
C. dynes/m
D. N
3 The vast majority of solids are in the form of
A. amorphous structure
B. polymeric structure
C. crystalline structure
D. all of them
4 When a silicon crystal is doped with a pentavalent element, such an extrinsic semi-conductor is called
A. p-type semi-conductor
B. n-type semi-conductor
C. either of them
D. none of them
5 Amorphous solids are also more like
A. crystalline solids
B. gases
C. liquids
D. any one of them
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 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
8 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
9 The pattern of crystalline solid is:
A. One dimesional
B. Two dimensional
C. Three dimensional
D. None of these
10 On heating, glass gradually softens into a paste like before it becomes a very viscous liquid at almost
A. 600°C
B. 7600°C
C. 800°C
D. 900°C

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