ICS Part 2 Physics Chapter 17 Short Questions Preparation

Question # 1

How can the strain energy be determined from the force extension graph?

Ans 1: Strain energy can be determined from the force extension graph according to the following relation
Strain energy :1/2 l₁F₁

Question # 2

Define retantivity.

Ans 1: When the current is reduced to zero,the material still remains strongly magnetized which is known as retantivity.

Question # 3

Define UTS of a material.

Ans 1: The maximum stress that a material can withstand is called ultimate tensile stress.

Question # 4

What is meant by para and ferromagnetic substance?

Ans 1: The orbits and the spin axes of the electrons in an atom are so oriented that their field spot each other and the atom behaves like a tiny magnet.Substance with such atoms are called paramagnetic substance e.g iron.
There are some solid substance in which the atom cooperate with each other in such a way so as to exhibit a strong magnetic field there are called ferromagnetic substance.

Question # 5

What is the difference between intrinsic and extrinsic semiconductors?

Ans 1: Intrinsic Semiconductor:A semiconductor in its extremely pure form is known as Intrinsicsemiconductors,Pure elements of silicon and germanium are Intrinsic semiconductors,These semiconductors elements have atoms with four valence electrons.
Ans 2: Extrinsic Semiconductor: The doped semiconductors material are called Extrinsic Semiconductor.The electrical behaviour of semiconductors is substantially changed introducing a small impurity into pure semiconductors,and this process is called doping.

Question # 6

Define crystalline and amorphous.

Ans 1: Crystalline: The solid in which there is a regular and periodic arrangements of the atoms and molecule are crystalline solids.
Amorphous: The solid in which there is no regular arrangement of molecules like that in crystalline solids are called amorphous solid. for example ordinary glass.

Question # 7

Define superconductors.

Ans 1: The materials whose resistivity becomes zero below a certain temperature are called superconductors.For example mercury becomes super conductor below 4.2 k temperature.

Question # 8

Differentiate between tensile stress and shear modes of stress and strain.

Ans 1: Tensile Stress: A stress that cause the change in length of an object is called tensile stress.
Shear stress: A stress that cause the change in shape of an object is called shear stress.
Tensile stain:If the strain is due to tensile stress it is called tensile strain.A strain produced in the object when it is subjected to shear stress is called shear strain.

Question # 9

Compare the electrical behavior of conductor and semiconductor in terms of energy band theory.

Ans 1: On the basic of energy band theory
In conductors,free electrons are available for conduction,Valence and conduction bands largely overlap each other and In semiconductors ,valence band and conduction band is partially filled and they have a very narrow forbidden energy gap.

Question # 10

Define cell unit.

Ans 1: A crystalline solid consists of three dimensional pattern that repeat itself over and over again,This smallest three dimensional basic structure is called unit cell.

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ICS Part 2 Physics Chapter 17 Short Questions Preparation

12th Class PhysicsShort Questions Preparation

12th Class Physics Chapter Wise Preparation

Online Short Questions For Chapter 6 "ICS Part 2 Physics Chapter 17 Short Questions Preparation "

Physics - ICS Part 2 Physics Chapter 17 Short Questions Preparation

How can the strain energy be determined from the force extension graph?

Define retantivity.

Define UTS of a material.

What is meant by para and ferromagnetic substance?

What is the difference between intrinsic and extrinsic semiconductors?

Define crystalline and amorphous.

Define superconductors.

Differentiate between tensile stress and shear modes of stress and strain.

Compare the electrical behavior of conductor and semiconductor in terms of energy band theory.

Define cell unit.

Prepare Complete Set Wise Questions For Chapter 6 "ICS Part 2 Physics Chapter 17 Short Questions Preparation "

Set 1

Set 2

Set 3

Set 4

ICS Part 2 Physics Chapter 17 Short Questions Preparation - Set 1

How can the strain energy be determined from the force extension graph?

Define retantivity.

Define UTS of a material.

What is meant by para and ferromagnetic substance?

What is the difference between intrinsic and extrinsic semiconductors?

Define crystalline and amorphous.

Define superconductors.

Differentiate between tensile stress and shear modes of stress and strain.

Compare the electrical behavior of conductor and semiconductor in terms of energy band theory.

Define cell unit.

ICS Part 2 Physics Chapter 17 Short Questions Preparation - Set 2

Define coercivity of a material.

Define retantivity.

Explain what is curie temperature?

Differentiate between ductile and brittle substance,Give their examples.

Define Fracture stress.

Describe energy band picture of insulators.

What is meant by Ferromagnetic substance?

How the conductivity of semiconductor can be raised?

Define crystalline and amorphous.

Write the used of superconductors.

ICS Part 2 Physics Chapter 17 Short Questions Preparation - Set 3

What is meant by Ferromagnetic substance?

Differentiate between tensile stress and shear modes of stress and strain.

What does are of hysteresis loop tell?

Distinguished between p-type semiconductor and n-type semiconductor.

What is meant by para and ferromagnetic substance?

Define crystal lattice.

Define stress and write its formula.

Define Fracture stress.

Differentiate between ductile and brittle substance,Give their examples.

Differentiate between amorphous and polymeric solid.

ICS Part 2 Physics Chapter 17 Short Questions Preparation - Set 4

What does are of hysteresis loop tell?

Describe energy band picture of insulators.

Define cell unit.

Define superconductors.

Define stress and write its formula.

Describe the difference between proportional limit and elastic limit.

Differentiate between amorphous and polymeric solid.

Define Fracture stress.

Define volumetric strain.

Distinguished between a valence and a conduction band.

ICS Part 2 Physics Chapter 17 Short Questions Preparation

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