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

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

Question # 2

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

Question # 3

Polymers are the chemical combination of carbon with:

Question # 4

Which of the following theory completely explain the three types of materials

Question # 5

When small number of atoms from some other suitable element is added to the semi-conductor material, then this process is known as

Question # 6

Within each domain, the magnetic field of all the spinning electrons are

Question # 7

A semi-conductor in its extremely pure form is known as

Question # 8

The results of mechanical tests are usually expressed in terms of

Question # 9

When the shear stress and shear stain are involved, then their ratio is called

Question # 10

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

Question # 11

Examples of crystalline solids are:

Question # 12

The curie temperature of iron is about

Question # 13

The bonding between the semi-conductor materials is

Question # 14

Examples of polymeric substances are:

Question # 15

In a semi-conductor material, current flows due to

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 Above the curie temperature, iron becomes
A. ferromagnetic
B. paramagnetic
C. diamagnetic
D. any one of them
3 when the deformation produced in the material become permanent, this type of behaviour is called
A. proportionality
B. elasticity
C. plasticity
D. none of them
4 When a silicon crystal is doped with a pentavalent element, such an extrinsic semi-conductor is called
A. p-type semi-conductor
B. n-type semi-conductor
C. either of them
D. none of them
5 In a semi-conductor material, current flows due to
A. positive charge
B. negative charge
C. both of them
D. none of them
6 In the doping process, the ratio of the doping atoms to the semi conductor atom is
A. 1 to 10
B. 1 to 103
C. 1 to 106
D. 1 to 109
7 Which of the following can become a good temporarily magnet
A. iron
B. steel
C. both of them
D. none of them
8 The domains are of macroscopic size of the order of
A. centimeters
B. meters
C. millimeters
D. nanomneters
9 Amorphous solids:
A. Have definite melting points
B. Are called glassy solids
C. Have no definite melting point
D. Both (B) and (C)
10 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

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