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 cohesive forces between atoms, molecules or ions in crystalline solids maintain the strict

Question # 2

The size of the domain is such that they can contain

Question # 3

There is a regular arrangement of molecules in a

Question # 4

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

Question # 5

Which of the following can become a good temporarily magnet

Question # 6

Lead, copper and wrought iron are examples of

Question # 7

The critical temperature of aluminium is

Question # 8

The force applied on unit area to produce any change in the shape, volume or length of a body is known as

Question # 9

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

Question # 10

If the stress increased beyond the elastic limit of the material. the deformation produced in the material will be

Question # 11

The force which maintain the strict long-range order between atoms of a crystalline solid is the:

Question # 12

The neighbours of every molecule in crystalline solids are arranged in

Question # 13

In a semi-conductor material, the total current is

Question # 14

The SI unit of strain is

Question # 15

The smallest three dimensional basic structure is called as:

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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 Glass and high carbon steel are the examples of
A. brittle substances
B. ductile substances
C. plastic substances
D. elastic substances
3 when the deformation produced in the material become permanent, this type of behaviour is called
A. proportionality
B. elasticity
C. plasticity
D. none of them
4 The first super conductor was discovered in
A. 1811
B. 1890
C. 1901
D. 1911
5 Under the elastic region, the deformation produced in the material, the deformation produced in the material will be
A. permanent
B. temporary
C. either of them
D. none of them
6 The whole structure obtained by the repetition of unit cells is called:
A. Crystal lattice
B. Amorphous solid
C. Polymeric solid
D. Polysterne
7 The size of the domain is such that they can contain
A. 102to 104atoms
B. 104 to 108atoms
C. 108to 1012atoms
D. 1012to 1016atoms
8 When a silicon crystal is doped with a pentavalent element, then the atom of the pentavalent element is known as
A. acceptor
B. donor
C. either of them
D. none of them
9 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
10 Each atom in metal crystal:
A. Remains fixed
B. Vibrates about a fixed point
C. Moves randomly
D. Rotates about center of a crystal

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