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 pattern of crystalline solid is:

Question # 2

Each atom in metal crystal:

Question # 3

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

Question # 4

The ratio of linear stress/linear strain is called as

Question # 5

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

Question # 6

Recently a complex crystalline structure known as Yetrium Barium Copper Oxide have been reported to become superconductor at

Question # 7

In a semi-conductor material, the total current is

Question # 8

Glass is an example of

Question # 9

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 # 10

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

Question # 11

Ferromagnetic substances lose their magnetism when heated above a certain temperature, known as

Question # 12

When a stress changes length, it is called the

Question # 13

In the phenomenon of hysteresis

Question # 14

The greatest stress that a material can endure without losing the proportionality between stress and strain is called

Question # 15

Which of the following can become a good permanent magnet

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The materials in which valence electrons are bound very tightly to their atoms and are not free, are known as
A. conductors
B. insulators
C. semi-conductors
D. all of them
2 An ordinary glass gradually softens into a 'paste -like' state before it becomes a very viscous liquid. It happens almost at:
A. 800oC
B. 500oC
C. 300oC
D. 100oC
3 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
4 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
5 The bands below the valence band are
A. completely filled and play active part in conduction process
B. completely filled and plays no part in conduction process
C. completely filled and play active part in conduction process
D. not completely filled and play no part in conduction process
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 The doped semi-conductor materials are known as
A. intrinsic semi-conductor
B. extrinsic semi-conductor
C. either of them
D. none of them
8 Polymeric solids have
A. low specific gravity
B. high specific gravity
C. either of them
D. none of them
9 Zirconia is classified as:
A. Ceramic solid
B. Ionic compound
C. Metal
D. Either (A) or (B)
10 The critical temperature of tin is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K

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  • farooq,khan

    farooq,khan

    17 Oct 2018

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

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