ECAT Pre Engineering Physics Chapter 17 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 17 Physics of Solid

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 17 Physics of Solid

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Physics ECAT Pre Engineering Chapter 17 Physics of Solid

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Question # 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

Question # 2

The bands below the valence band are

Question # 3

The arrangement or molecules or atoms in a crystalline solid can be studied by using:

Question # 4

The whole structure obtained by the repetition of unit cells is called:

Question # 5

The substance in which atoms cooperate with each other in such a way so as to exhibit a strong magnetic effect, are called

Question # 6

Amorphous solids are also called as

Question # 7

Polymers are the chemical combination of carbon with:

Question # 8

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

Question # 9

The amplitude of oscillation of each atom in a metallic crystal rises with the

Question # 10

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

Question # 11

Which of the following can become a good permanent magnet

Question # 12

Glass is an example of

Question # 13

The smallest three dimensional basic structure in a crystalline solid is called

Question # 14

The magnetism produced by electrons within an atom can arise from

Question # 15

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

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
A. energy bands
B. energy shells
C. states
D. all of them
2 Each atom in metal crystal:
A. Remains fixed
B. Vibrates about a fixed point
C. Moves randomly
D. Rotates about center of a crystal
3 In a cubic crystal, All solids meet at:
A. 60o
B. 90o
C. 109o
D. 30o
4 Glass is an example of
A. crystalline solid
B. amorphous solid
C. polymeric solid
D. none of them
5 Experiments revealed that the ratio of the stress to the strain is a constant value for
A. different material
B. all materials
C. a given material
D. all of them
6 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
7 The results of mechanical tests are usually expressed in terms of
A. stress
B. strain
C. stress and strain
D. neither strees nor strain
8 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)
9 The arrangement or molecules or atoms in a crystalline solid can be studied by using:
A. Chemical methods
B. Neutrons
C. X-ray techniques
D. Copper atoms
10 The SI unit of stress is
A. N/m2
B. Nmc
C. dynes/m
D. N

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