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

Which of the following theory completely explain the three types of materials

Question # 2

The SI unit of strain is

Question # 3

Polymeric solids have

Question # 4

The doped semi-conductor materials are known as

Question # 5

Crystalline solids are in the form of:

Question # 6

Polymers are the chemical combination of carbon with:

Question # 7

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

Question # 8

The electrons occupying the conduction band are known as

Question # 9

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

Question # 10

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

Question # 11

The size of the domain is such that they can contain

Question # 12

The solids are classified as:

Question # 13

The valence band of an atom in a solid

Question # 14

When a silicon crystal is doped with a pentavalent element, such an extrinsic semi-conductor is called

Question # 15

Glass and high carbon steel are the examples of

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The magnetism produced by electrons within an atom can arise from
A. electrons orbiting the nucleus
B. electrons posses a spin
C. both motions
D. none of these motions
2 Polymeric solids have
A. low specific gravity
B. high specific gravity
C. either of them
D. none of them
3 In a semi-conductor material, current flows due to
A. positive charge
B. negative charge
C. both of them
D. none of them
4 Substances which break just after the elastic limit is reached, are known as
A. brittle substances
B. ductile substances
C. plastic substances
D. elastic substances
5 The substance in which atoms cooperate with each other in such a way so as to exhibit a strong magnetic effect, are called
A. diamagnetic substances
B. ferromagnetic substances
C. paramagnetic substances
D. all of them
6 The smallest three dimensional basic structure in a crystalline solid is called
A. lattice point
B. crystal lattice
C. cubic crystal
D. unit cell
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 Ferromagnetic substances lose their magnetism when heated above a certain temperature, known as
A. critical temperature
B. curie temperature
C. high temperature
D. fixed temperature
9 Examples of crystalline solids are:
A. Cooper
B. NaCl
C. Zirconia
D. Both (A) and (B)
10 The transition from solid to liquid is actually from:
A. Order to disorder
B. Disorder to order
C. Order to order
D. Disorder to disorder

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  • farooq,khan

    farooq,khan

    17 Oct 2018

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

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