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

Examples of crystalline solids are:

Question # 2

The neighbours of every molecule in crystalline solids are arranged in

Question # 3

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

Question # 4

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

Question # 5

The number of different crystals systems based on the geometrical arrangement of their atoms and the resultant geometrical structure are

Question # 6

The amplitude of oscillation of each atom in a metallic crystal rises with the

Question # 7

A structure of polymeric solid is:

Question # 8

Examples of polymeric substances are:

Question # 9

When a stress changes the shape, it is called the

Question # 10

When a silicon crystal is doped with a pentavalent element, then the atom of the pentavalent element is known as

Question # 11

On heating, glass gradually softens into a paste like before it becomes a very viscous liquid at almost

Question # 12

The transition from solid to liquid is actually from:

Question # 13

The conduction band in a solid

Question # 14

The solids are classified as:

Question # 15

Polymers are the chemical combination of carbon with:

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 When a stress changes the shape, it is called the
A. compressional stress
B. tensile stress
C. shear stress
D. any one of them
2 The first super conductor was discovered in
A. 1811
B. 1890
C. 1901
D. 1911
3 Recent studies of ferromagnetism have shown that there exists in ferromagnetic substances small regions called
A. tiny regions
B. domains
C. vectors
D. none of them
4 The critical temperature of mercury is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
5 Every crystalline solid has
A. definite melting point
B. different melting points
C. may or may not be definite
D. none of them
6 Tick the one which is not a crystalline solid:
A. Zirconia
B. Glass
C. Copper
D. Ceramic solid
7 The pattern of NaCl particles have a shape which is :
A. Cubic
B. Body centred cubic
C. Simple cubic
D. face centred
8 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
9 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
10 The domains are of macroscopic size of the order of
A. centimeters
B. meters
C. millimeters
D. nanomneters

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