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 whole structure obtained by the repetition of unit cells is called:

Question # 2

The critical temperature of mercury is

Question # 3

The transition from solid state to liquid state is:

Question # 4

When small number of atoms from some other suitable element is added to the semi-conductor material, then this process is known as

Question # 5

In the doping process, the ratio of the doping atoms to the semi conductor atom is

Question # 6

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

Question # 7

The units of modulus of elasticity are

Question # 8

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

Question # 9

When relatively simple molecules are chemically combined into massive molecules, the reaction is called:

Question # 10

A semi-conductor in its extremely pure form is known as

Question # 11

In a cubic crystal, All solids meet at:

Question # 12

Above the curie temperature, iron becomes

Question # 13

An atom in which there is a resultant magnetic field, behaves like a tiny magnet and is called as

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 In case of the three dimensional deformation, when volume is involved, the ratio of applied stress to volumetric strain is called
A. Young's modulus
B. Bulk modulus
C. Shear modulus
D. all of them
2 The modulus of elasticity can be written as
A. stress x strain
B. strain/stress
C. 1/2 x stress x strain
D. stress/strain
3 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
4 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
5 The vast majority of solids are in the form of
A. amorphous structure
B. polymeric structure
C. crystalline structure
D. all of them
6 The pattern of crystalline solid is:
A. One dimesional
B. Two dimensional
C. Three dimensional
D. None of these
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 The ratio of shearing stress/shearing strain is called as
A. Modulus
B. Pascal modulus
C. Hooker's modulus
D. Shear modulus
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
A. energy bands
B. energy shells
C. states
D. all of them
10 In the phenomenon of hysteresis
A. magnetism leads the magnetising current
B. magnetism lags behind the magnetising current
C. meganetism goes along the magnetising current
D. none of them

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