ECAT Pre Computer Science Chapter 17 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 17 Physics of Solids

Try The MCQ's Test For ECAT Physics Chapter 17 Physics of Solids

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ECAT Physics Chapter 17 Physics of Solids

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Question # 1

The SI unit of strain is

Question # 2

The valence band of an atom in a solid

Question # 3

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

Question # 4

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

Question # 5

The ratio of shearing stress/shearing strain is called as

Question # 6

The magnetism produced by electrons within an atom can arise from

Question # 7

The SI unit of stress is

Question # 8

Which of the following can become a good permanent magnet

Question # 9

The conduction band in a solid

Question # 10

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

Question # 11

There is a regular arrangement of molecules in a

Question # 12

In crystalline solids, atoms are held about their equilibrium positions depending upon the strength of:

Question # 13

Lead, copper and wrought iron are examples of

Question # 14

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

Question # 15

Whenever a covalent bond is broken in an intrinsic semi-conductor

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 Within each domain, the magnetic field of all the spinning electrons are
A. parallel
B. antiparallel
C. perpendicular
D. all of them
2 The substance in which atoms are so oriented that the field produced by spin and orbital motion of the electrons might add up to zero,are called
A. diamagnetic substances
B. ferromagnetic substances
C. paramagnetic substances
D. all of them
3 The conduction band in a solid
A. may be empty
B. cannot be empty
C. should be filed
D. all 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 A unit cell is smallest basic structure which is:
A. One dimensional
B. Two dimensional
C. Three dimensional
D. Four dimensional
6 The transition from solid state to liquid state is:
A. Abrupt
B. Slow
C. Continous
D. Discontinous
7 In the stress-strain graph, stress is increased linearly with strain until a point is reached, this point is known as
A. plastic limit
B. plastic deformation
C. proportional limit
D. elastic behaviour
8 The molecules or ions in a crystalline solids are
A. static
B. not static
C. randomly moving
D. all of them
9 The ratio of linear stress/linear strain is called as
A. Yong's modulus
B. Bulk modulus
C. Shear modulus
D. Modulus
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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