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

Tick the one which is not polymer solid:

Question # 2

The pattern of NaCl particles have a shape which is :

Question # 3

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

Question # 4

Semi-conductor elements have atoms with

Question # 5

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

Question # 6

The critical temperature of aluminium is

Question # 7

Under the elastic region, the deformation produced in the material, the deformation produced in the material will be

Question # 8

Which of the following can become a good permanent magnet

Question # 9

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

Question # 10

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

Question # 11

When a stress changes the shape, it is called the

Question # 12

In a semi-conductor material, current flows due to

Question # 13

The curie temperature of iron is about

Question # 14

Examples of crystalline solids are:

Question # 15

The number of different crystals systems based on the geometrical arrangement of their atoms and the resultant geometrical structure are

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 Recent studies of ferromagnetism have shown that there exists in ferromagnetic substances small regions called
A. tiny regions
B. domains
C. vectors
D. none of them
2 In the phenomenon of hysteresis
A. magnetism leads the magnetising current
B. magnetism lags behind the magnetising current
C. meganetism goes along the magnetising current
D. none of them
3 The charged nucleus of an atom itself spins its magnetic field
A. equal to the field produced by orbital electrons
B. greater than the field produced by orbital electrons
C. much weaker than the field produced by orbital electrons
D. none of these
4 Each atom in metal crystal:
A. Remains fixed
B. Vibrates about a fixed point
C. Moves randomly
D. Rotates about center of a crystal
5 The crystalline structure of NaCI is
A. rectangular
B. hexagonal
C. tetrahedral
D. cubical
6 Electrons of an isolated atom are bound to the nucleus, and
A. can only have distinct energy level
B. can only have same energy level
C. may or may not have distinct energy levels
D. none of these
7 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
8 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
9 The solids which has structure in-between order and disorder are called
A. amorphous solids
B. polymeric solids
C. crystalline solids
D. all of them
10 Glass is an example of
A. crystalline solid
B. amorphous solid
C. polymeric solid
D. none of them

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  • farooq,khan

    farooq,khan

    17 Oct 2018

    when,stress,apply,change,in,length,called,tensil,stress

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