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 magnetism produced by electrons within an atom can arise from

Question # 2

The results of mechanical tests are usually expressed in terms of

Question # 3

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

Question # 4

The smallest three dimensional basic structure is called as:

Question # 5

Glass and high carbon steel are the examples of

Question # 6

When a large number of atoms are brought close to one another to form a solid, each energy level of an isolated atom splits into sub-levels, called

Question # 7

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

Question # 8

Experiments revealed that the ratio of the stress to the strain is a constant value for

Question # 9

Within each domain, the magnetic field of all the spinning electrons are

Question # 10

The doped semi-conductor materials are known as

Question # 11

A structure of polymeric solid is:

Question # 12

The band above the valence band is called

Question # 13

Above the curie temperature, iron becomes

Question # 14

In a semi-conductor material, current flows due to

Question # 15

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

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The amplitude of oscillation of each atom in a metallic crystal rises with the
A. rise in temperature
B. decrease in temperature
C. even temperature remains constant
D. all of them
2 The results of mechanical tests are usually expressed in terms of
A. stress
B. strain
C. stress and strain
D. neither strees nor strain
3 The number of different crystals systems based on the geometrical arrangement of their atoms and the resultant geometrical structure are
A. 5
B. 7
C. 9
D. 14
4 The temperature at which the vibrations become so great that structure of the Crystal breaks up, is called:
A. Critical temparature
B. Temperature of vaporization
C. Melting point
D. Both (A) and (C)
5 Crystalline solids are in the form of:
A. Metals
B. Ionic Compounds
C. Ceramics
D. Both (A) and (B)
6 Tick the one which is not polymer solid:
A. Zirconia
B. Polythene
C. Nylon
D. Synthetic rubber
7 Each atom in metal crystal:
A. Remains fixed
B. Vibrates about a fixed point
C. Moves randomly
D. Rotates about center of a crystal
8 Within each domain, the magnetic field of all the spinning electrons are
A. parallel
B. antiparallel
C. perpendicular
D. all of them
9 The transition from solid state to liquid state is:
A. Abrupt
B. Slow
C. Continous
D. Discontinous
10 The ratio of shearing stress/shearing strain is called as
A. Modulus
B. Pascal modulus
C. Hooker's modulus
D. Shear modulus

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