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

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

Question # 2

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

Question # 3

when the deformation produced in the material become permanent, this type of behaviour is called

Question # 4

Under the elastic region, the deformation produced in the material, the deformation produced in the material will be

Question # 5

When a stress changes the shape, it is called the

Question # 6

The size of the domain is such that they can contain

Question # 7

A structure of polymeric solid is:

Question # 8

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

Question # 9

Amorphous solids are also called as

Question # 10

Synthetic materials fall into the category of

Question # 11

The smallest three dimensional basic structure is called as:

Question # 12

The pattern of NaCl particles have a shape which is :

Question # 13

The magnetism produced by electrons within an atom can arise from

Question # 14

Each atom in metal crystal:

Question # 15

The substances in which, atom are so oriented that their fields support each other and the atoms behave like tiny magnets, are called

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 The SI unit of stress is
A. N/m2
B. Nmc
C. dynes/m
D. N
3 Examples of crystalline solids are:
A. Cooper
B. NaCl
C. Zirconia
D. Both (A) and (B)
4 The size of the domain is such that they can contain
A. 102to 104atoms
B. 104 to 108atoms
C. 108to 1012atoms
D. 1012to 1016atoms
5 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
6 The solids which has structure in-between order and disorder are called
A. amorphous solids
B. polymeric solids
C. crystalline solids
D. all of them
7 Crystalline solids are in the form of:
A. Metals
B. Ionic Compounds
C. Ceramics
D. Both (A) and (B)
8 When relatively simple molecules are chemically combined into massive molecules, the reaction is called:
A. Fission reaction
B. Fusion reaction
C. Polymerization
D. Any of these
9 Tick the one which is not a crystalline solid:
A. Zirconia
B. Glass
C. Copper
D. Ceramic solid
10 Each atom in metal crystal:
A. Remains fixed
B. Vibrates about a fixed point
C. Moves randomly
D. Rotates about center of a crystal

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