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

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 - Set 1

Question # 1

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 - Set 2

Question # 1

Distinguished between elasticity and plasticity.

  • Ans 1: Elasticity: In deformed crystalline solid,the atoms return to their equilibrium position after the removal of external force.This ability of the body to return to its original shape is called elasticity.
  • Ans 2: Plasticity:If the stress is increased beyond elastic limit,the specimen becomes permanently deformed.This is called plasticity.
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ICS Part 2 Physics Chapter 17 Short Questions Preparation - Set 3

Question # 1

Define polymerization,write two examples of polymeric solid

  • Ans 1: Polymers are found by polymerization reaction,.In these reaction relatively simple molecule are chemically combined into massive long chain molecule or three dimensional structure.
    Polythene and nylon are example of polymeric solids.
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ICS Part 2 Physics Chapter 17 Short Questions Preparation - Set 4

Question # 1

Define Saturation and Remanence of Hysteresis Loop.

  • Ans 1: Saturation: The material is said is reduced to magnetically saturated when magnetic flux density reaches a maximum value.
    Remanence: When the current is reduced to zero,the material still remains strongly magnetize.It is due to the tendency of domains to stay partly in line,once they have been aligned,It is called remanence or relativity.
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ICS Part 2 Physics Chapter 17 Short Questions Preparation

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