ECAT Pre Computer Science Chapter 17 MCQ Test With Answer

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 curie temperature of iron is about

Question # 2

The size of the domain is such that they can contain

Question # 3

Arsenic, antimony and phosphorus are the elements from

Question # 4

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

Question # 5

Synthetic materials fall into the category of

Question # 6

The neighbours of every molecule in crystalline solids are arranged in

Question # 7

The bonding between the semi-conductor materials is

Question # 8

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

Question # 9

Lead, copper and wrought iron are examples of

Question # 10

The electrons occupying the conduction band are known as

Question # 11

Amorphous solids:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 Zirconia is classified as:
A. Ceramic solid
B. Ionic compound
C. Metal
D. Either (A) or (B)
2 Above the curie temperature, iron becomes
A. ferromagnetic
B. paramagnetic
C. diamagnetic
D. any one of them
3 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
4 The smallest three dimensional basic structure in a crystalline solid is called
A. lattice point
B. crystal lattice
C. cubic crystal
D. unit cell
5 The number of different crystals systems based on the geometrical arrangement of their atoms and the resultant geometrical structure are
A. 5
B. 7
C. 9
D. 14
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 In a semi-conductor material, current flows due to
A. positive charge
B. negative charge
C. both of them
D. none of them
8 Synthetic materials fall into the category of
A. crystalline solids
B. amorphous
C. polymeric solids
D. all of them
9 Glass is an example of
A. crystalline solid
B. amorphous solid
C. polymeric solid
D. none of them
10 The critical temperature of tin is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K

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