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

In the stress-strain graph, stress is increased linearly with strain until a point is reached, this point is known as

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

The molecules or ions in a crystalline solids are

Question # 8

The valence band of an atom in a solid

Question # 9

Tick the one which is not polymer solid:

Question # 10

The electrons occupying the conduction band are known as

Question # 11

The pattern of NaCl particles have a shape which is :

Question # 12

The neighbours of every molecule in crystalline solids are arranged in

Question # 13

The curie temperature of iron is about

Question # 14

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

Question # 15

There is a regular arrangement of molecules in a

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ECAT Physics Chapter 17 Important MCQ's

Sr.# Question Answer
1 Above the curie temperature, iron becomes
A. ferromagnetic
B. paramagnetic
C. diamagnetic
D. any one of them
2 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
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 The magnetism produced by electrons within an atom can arise from
A. electrons orbiting the nucleus
B. electrons posses a spin
C. both motions
D. none of these motions
5 The transition from solid state to liquid state is:
A. Abrupt
B. Slow
C. Continous
D. Discontinous
6 The critical temperature of tin is
A. 1.18 K
B. 4.2 K
C. 3.72 K
D. 7.2 K
7 The domains are of macroscopic size of the order of
A. centimeters
B. meters
C. millimeters
D. nanomneters
8 The ratio of linear stress/linear strain is called as
A. Yong's modulus
B. Bulk modulus
C. Shear modulus
D. Modulus
9 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
10 The results of mechanical tests are usually expressed in terms of
A. stress
B. strain
C. stress and strain
D. neither strees nor strain

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