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 ability of the body to return to its original shape is called

Question # 3

The curie temperature of iron is about

Question # 4

Amorphous solids:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Substances which break just after the elastic limit is reached, are known as

Question # 9

Which of the following can become a good temporarily magnet

Question # 10

The crystalline structure of NaCI is

Question # 11

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

Question # 12

An atom in which there is a resultant magnetic field, behaves like a tiny magnet and is called as

Question # 13

The vast majority of solids are in the form of

Question # 14

Any superconductor with critical temperature above 77 K, is referred as

Question # 15

The conduction band in a solid

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
A. diamagnetic substances
B. ferromagnetic substances
C. paramagnetic substances
D. all of them
2 Polymeric solids have
A. low specific gravity
B. high specific gravity
C. either of them
D. none of them
3 The results of mechanical tests are usually expressed in terms of
A. stress
B. strain
C. stress and strain
D. neither strees nor strain
4 A unit cell is smallest basic structure which is:
A. One dimensional
B. Two dimensional
C. Three dimensional
D. Four dimensional
5 When a stress changes length, it is called the
A. compressional stress
B. tensile stress
C. shear stress
D. any one of them
6 Examples of crystalline solids are:
A. Cooper
B. NaCl
C. Zirconia
D. Both (A) and (B)
7 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
8 The solids are classified as:
A. Metals
B. Crystalline
C. Amorphous
D. Polymeric
9 The pattern of crystalline solid is:
A. One dimesional
B. Two dimensional
C. Three dimensional
D. None of these
10 The electrons occupying the conduction band are known as
A. conduction electrons
B. free electrons
C. both of them
D. none of them

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