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

Lead, copper and wrought iron are examples of

Question # 2

There are some whose resistivity becomes zero below a certain temperature, called

Question # 3

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

Question # 4

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

Question # 5

The magnetism produced by electrons within an atom can arise from

Question # 6

Within each domain, the magnetic field of all the spinning electrons are

Question # 7

The electrons occupying the conduction band are known as

Question # 8

In a semi-conductor material, current flows due to

Question # 9

Examples of polymeric substances are:

Question # 10

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 # 11

Which of the following can become a good temporarily magnet

Question # 12

Zirconia is classified as:

Question # 13

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

Question # 14

In the phenomenon of hysteresis

Question # 15

A unit cell is smallest basic structure which is:

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The electrons in the outermost shell of an atom are called
A. core electrons
B. valence electrons
C. high energy electrons
D. none 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 SI unit of stress is
A. N/m2
B. Nmc
C. dynes/m
D. N
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 band above the valence band is called
A. high energy band
B. conduction band
C. empty band
D. none of them
6 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
7 Any superconductor with critical temperature above 77 K, is referred as
A. low temperature superconductor
B. high temperature superconductor
C. very low temperature superconductor
D. none of them
8 When a silicon crystal is doped with a pentavalent element, such an extrinsic semi-conductor is called
A. p-type semi-conductor
B. n-type semi-conductor
C. either of them
D. none of them
9 The ratio of shearing stress/shearing strain is called as
A. Modulus
B. Pascal modulus
C. Hooker's modulus
D. Shear modulus
10 The greatest stress that a material can endure without losing the proportionality between stress and strain is called
A. plastic line
B. breaking point
C. proportional limit
D. none of them

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