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

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

Question # 2

The pattern of NaCl particles have a shape which is :

Question # 3

The modulus of elasticity can be written as

Question # 4

In a cubic crystal, All solids meet at:

Question # 5

The valence band of an atom in a solid

Question # 6

The measure of the deformation in a solid when stress is applied to its is called

Question # 7

The SI unit of strain is

Question # 8

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

Question # 9

Tick the one which is not polymer solid:

Question # 10

The transition from solid state to liquid state is:

Question # 11

The first super conductor was discovered in

Question # 12

Amorphous solids are also more like

Question # 13

Glass and high carbon steel are the examples of

Question # 14

Synthetic materials fall into the category of

Question # 15

In a semi-conductor material, current flows due to

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 The valence band of an atom in a solid
A. is always empty
B. may or may not be empty
C. can never be empty
D. none of them
3 Glass is an example of
A. crystalline solid
B. amorphous solid
C. polymeric solid
D. none of them
4 Which of the following can become a good temporarily magnet
A. iron
B. steel
C. both of them
D. none of them
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 If the stress increased beyond the elastic limit of the material. the deformation produced in the material will be
A. permanent
B. temporary
C. either of them
D. none of them
7 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
8 The SI unit of stress is
A. N/m2
B. Nmc
C. dynes/m
D. N
9 There is a regular arrangement of molecules in a
A. amorphous solids
B. polymeric solids
C. crystalline solids
D. none of them
10 Which of the following theory completely explain the three types of materials
A. Bohr model of electron distribution
B. Rutherford atomic model
C. Pauli's exclusion principle
D. energy band theory

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  • farooq,khan

    farooq,khan

    17 Oct 2018

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

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