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 curie temperature of iron is about

Question # 2

Each atom in metal crystal:

Question # 3

The maximum stress that a material can withstand, is known as

Question # 4

If the stress increased beyond the elastic limit of the material. the deformation produced in the material will be

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

The first super conductor was discovered in

Question # 9

Crystalline solids are in the form of:

Question # 10

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

Question # 11

The band above the valence band is called

Question # 12

Whenever a covalent bond is broken in an intrinsic semi-conductor

Question # 13

The arrangement or molecules or atoms in a crystalline solid can be studied by using:

Question # 14

There is a regular arrangement of molecules in a

Question # 15

When a stress changes the shape, it is called the

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The neighbours of every molecule in crystalline solids are arranged in
A. an irregular manner
B. a regular manner
C. any manner
D. none of them
2 An atom in which there is a resultant magnetic field, behaves like a tiny magnet and is called as
A. magnetic
B. magnetic dipole
C. magnetic monopole
D. none of them
3 The maximum stress that a material can withstand, is known as
A. plastic point
B. elastic limit
C. yield point
D. ultimate tensile strength
4 The solids are classified as:
A. Metals
B. Crystalline
C. Amorphous
D. Polymeric
5 In crystalline solids, atoms are held about their equilibrium positions depending upon the strength of:
A. Adhesive force
B. Nuclear forces
C. Inter atomic cohesive force
D. Electromagnetic force
6 Which of the following can become a good permanent magnet
A. iron
B. steel
C. both of them
D. none of them
7 The temperature at which the vibrations become so great that structure of the Crystal breaks up, is called:
A. Critical temparature
B. Temperature of vaporization
C. Melting point
D. Both (A) and (C)
8 There is a regular arrangement of molecules in a
A. amorphous solids
B. polymeric solids
C. crystalline solids
D. none of them
9 An ordinary glass gradually softens into a 'paste -like' state before it becomes a very viscous liquid. It happens almost at:
A. 800oC
B. 500oC
C. 300oC
D. 100oC
10 Ferromagnetic substances lose their magnetism when heated above a certain temperature, known as
A. critical temperature
B. curie temperature
C. high temperature
D. fixed temperature

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