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 transition from solid state to liquid state is:

Question # 2

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

Question # 3

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

Question # 4

There is a regular arrangement of molecules in a

Question # 5

Lead, copper and wrought iron are examples of

Question # 6

The critical temperature of mercury is

Question # 7

The maximum stress that a material can withstand, is known as

Question # 8

In a semi-conductor material, current flows due to

Question # 9

The first super conductor was discovered in

Question # 10

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

Question # 11

There are some whose resistivity becomes zero below a certain temperature, called

Question # 12

The smallest three dimensional basic structure is called as:

Question # 13

Recent studies of ferromagnetism have shown that there exists in ferromagnetic substances small regions called

Question # 14

The word amorphous means:

Question # 15

In metallic crystals which of the following thing remains constant

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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 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
3 The bands below the valence band are
A. completely filled and play active part in conduction process
B. completely filled and plays no part in conduction process
C. completely filled and play active part in conduction process
D. not completely filled and play no part in conduction process
4 The SI unit of stress is
A. N/m2
B. Nmc
C. dynes/m
D. N
5 The units of modulus of elasticity are
A. Nm-2
B. Nm
C. ms-1
D. Pascal
6 In case of the three dimensional deformation, when volume is involved, the ratio of applied stress to volumetric strain is called
A. Young's modulus
B. Bulk modulus
C. Shear modulus
D. all of them
7 The critical temperature of tin is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
8 When a stress changes the shape, it is called the
A. compressional stress
B. tensile stress
C. shear stress
D. any one of them
9 Every crystalline solid has
A. definite melting point
B. different melting points
C. may or may not be definite
D. none of them
10 The smallest three dimensional basic structure is called as:
A. An atom
B. Unit cell
C. Crystal lattice
D. Polymer

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