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

Each atom in a metal crystal vibrates about a fixed point with an amplitude that:

Question # 2

The crystalline structure of NaCI is

Question # 3

The size of the domain is such that they can contain

Question # 4

Tick the one which is not a crystalline solid:

Question # 5

The SI unit of strain is

Question # 6

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

Question # 7

Every crystalline solid has

Question # 8

Tick the one which is not polymer solid:

Question # 9

Glass and high carbon steel are the examples of

Question # 10

Crystalline solids are in the form of:

Question # 11

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

Question # 12

Semi-conductor elements have atoms with

Question # 13

A structure of polymeric solid is:

Question # 14

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

Question # 15

Which of the following can become a good temporarily magnet

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The word amorphous means:
A. Without any structure
B. With definite structure
C. Regular arrangement of molecules
D. Both (B) and (C)
2 In a semi-conductor material, current flows due to
A. positive charge
B. negative charge
C. both of them
D. none of them
3 Which of the following theory completely explain the three types of materials
A. Bohr model of electron distribution
B. Rutherford atomic model
C. Pauli's exclusion principle
D. energy band theory
4 A structure of polymeric solid is:
A. An ordered structure
B. A disordered structure
C. Intermediate between order and disorder
D. Any of these
5 Above the curie temperature, iron becomes
A. ferromagnetic
B. paramagnetic
C. diamagnetic
D. any one of them
6 The cohesive forces between atoms, molecules or ions in crystalline solids maintain the strict
A. short range order
B. long range order
C. both of them
D. none of them
7 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
8 When the shear stress and shear stain are involved, then their ratio is called
A. Young's modulus
B. Bulk modulus
C. Shear modulus
D. all of them
9 In a semi-conductor material, the total current is
A. only the +ve current
B. only the electronic current
C. sum of +ve and electronic current
D. all of them
10 The neighbours of every molecule in crystalline solids are arranged in
A. an irregular manner
B. a regular manner
C. any manner
D. none of them

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