ECAT Pre Engineering Physics Chapter 17 MCQ Test With Answer

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 transition from solid to liquid is actually from:

Question # 2

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

Question # 3

Above the curie temperature, iron becomes

Question # 4

The curie temperature of iron is about

Question # 5

The molecules or ions in a crystalline solids are

Question # 6

The bands below the valence band are

Question # 7

Tick the one which is not a crystalline solid:

Question # 8

The charged nucleus of an atom itself spins its magnetic field

Question # 9

The smallest three dimensional basic structure is called as:

Question # 10

Zirconia is classified as:

Question # 11

The pattern of crystalline solid is:

Question # 12

Any superconductor with critical temperature above 77 K, is referred as

Question # 13

Which of the following can become a good permanent magnet

Question # 14

Crystalline solids are in the form of:

Question # 15

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

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 Crystalline solids are in the form of:
A. Metals
B. Ionic Compounds
C. Ceramics
D. Both (A) and (B)
2 Each atom in metal crystal:
A. Remains fixed
B. Vibrates about a fixed point
C. Moves randomly
D. Rotates about center of a crystal
3 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
4 The arrangement or molecules or atoms in a crystalline solid can be studied by using:
A. Chemical methods
B. Neutrons
C. X-ray techniques
D. Copper atoms
5 The size of the domain is such that they can contain
A. 102to 104atoms
B. 104 to 108atoms
C. 108to 1012atoms
D. 1012to 1016atoms
6 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
7 Examples of polymeric substances are:
A. Plastic
B. Synthetic rubbers
C. Zirconia
D. All of these
8 Recently a complex crystalline structure known as Yetrium Barium Copper Oxide have been reported to become superconductor at
A. 125 K
B. 25 K
C. 263 K
D. 163 K
9 Which of the following can become a good permanent magnet
A. iron
B. steel
C. both of them
D. none of them
10 In a semi-conductor material, current flows due to
A. positive charge
B. negative charge
C. both of them
D. none of them

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