ICS Part 2 Physics Chapter 17 Short Questions Preparation


12th Class Physics
Short Questions Preparation

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Physics - ICS Part 2 Physics Chapter 17 Short Questions Preparation

Question # 1

Differentiate between ductile and brittle substance,Give their examples.

  • Ans 1: Ductile substance:Substance that undergo plastic deformation unit they break are called ductile substance.Lead copper,and wrought iron are ductile.
    Brittle substance: The substance which break just after the elastic limit reached are known as brittle substance.Glass and high carbon steel are brittle.
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ICS Part 2 Physics Chapter 17 Short Questions Preparation - Set 1

Question # 1

Differentiate between ductile and brittle substance,Give their examples.

  • Ans 1: Ductile substance:Substance that undergo plastic deformation unit they break are called ductile substance.Lead copper,and wrought iron are ductile.
    Brittle substance: The substance which break just after the elastic limit reached are known as brittle substance.Glass and high carbon steel are brittle.
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ICS Part 2 Physics Chapter 17 Short Questions Preparation - Set 2

Question # 1

Define young modulus and shear modulus.

  • Ans 1: The ratio of tensile stress to tensile strain is called young modulus.
  • Ans 2: The ratio of shear stress to shear strain is called shear modulus.
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ICS Part 2 Physics Chapter 17 Short Questions Preparation - Set 3

Question # 1

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

Question # 1

What are paramagnetic Substance?Give an example

  • Ans 1: The solid in which the orbital and spin axes of the electrons in an atom are so oriented that their magnetic field support each other are called paramagnetic substance.For example ozone,platinum etc
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ICS Part 2 Physics Chapter 17 Short Questions Preparation

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