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 transition from solid state to liquid state is:

Question # 2

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

Question # 3

The ability of the body to return to its original shape is called

Question # 4

The greatest stress that a material can endure without losing the proportionality between stress and strain is called

Question # 5

When a silicon crystal is doped with a pentavalent element, such an extrinsic semi-conductor is called

Question # 6

The critical temperature of tin is

Question # 7

The smallest three dimensional basic structure is called as:

Question # 8

The smallest three dimensional basic structure in a crystalline solid is called

Question # 9

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

Question # 10

A unit cell is smallest basic structure which is:

Question # 11

The substance in which atoms cooperate with each other in such a way so as to exhibit a strong magnetic effect, are called

Question # 12

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

Question # 13

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

Question # 14

Glass is an example of

Question # 15

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

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 The ratio of linear stress/linear strain is called as
A. Yong's modulus
B. Bulk modulus
C. Shear modulus
D. Modulus
2 On heating, glass gradually softens into a paste like before it becomes a very viscous liquid at almost
A. 600°C
B. 7600°C
C. 800°C
D. 900°C
3 The first super conductor was discovered in
A. 1811
B. 1890
C. 1901
D. 1911
4 The pattern of NaCl particles have a shape which is :
A. Cubic
B. Body centred cubic
C. Simple cubic
D. face centred
5 The word amorphous means:
A. Without any structure
B. With definite structure
C. Regular arrangement of molecules
D. Both (B) and (C)
6 In case of the three dimensional deformation, when volume is involved, the ratio of applied stress to volumetric strain is called
A. Young's modulus
B. Bulk modulus
C. Shear modulus
D. all of them
7 The materials in which there are plenty of free electrons for electrical conduction are known as
A. conductors
B. insulators
C. semi-conductors
D. all of them
8 Each atom in a metal crystal vibrates about a fixed point with an amplitude that:
A. Decrease the rise in temprature
B. Is not affected by rise in temprature
C. Increase with rise in temprature
D. Both (B) and (C)
9 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
10 Synthetic materials fall into the category of
A. crystalline solids
B. amorphous
C. polymeric solids
D. all of them

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