Matric Part 1/9th Class Physics Chapter 8 Short Question Test With Answer for Unit 8 Thermal Properties of Matter

9th Class Physics Chapter 8 Online Preparation
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Online Short Questions For Chapter 8 "9th Class Physics English Medium Chapter 8 Preparation "

Try The Short Questions For 9th Class Physics English Medium Chapter 8 Preparation

  • Total Questions10

  • Available Sets11

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Physics (New Book) - 9th Class Physics English Medium Chapter 8 Preparation

Question # 1

Why heat is transferred from hot body to cold body

  • Ans 1: Take two bodies having different temperature Bring them in contact with each other The temperature of hot body falls It losses energy The engery enters the cold body at lower temperature hus energy transfers from hot body to cold body in the form of heat
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Prepare Complete Set Wise Questions For Chapter 8 "9th Class Physics English Medium Chapter 8 Preparation "

9th Class Physics English Medium Chapter 8 Preparation - Set 1

Question # 1

Why heat is transferred from hot body to cold body

  • Ans 1: Take two bodies having different temperature Bring them in contact with each other The temperature of hot body falls It losses energy The engery enters the cold body at lower temperature hus energy transfers from hot body to cold body in the form of heat
Submit

9th Class Physics English Medium Chapter 8 Preparation - Set 2

Question # 1

Which flower is used as natural thermometer

  • Ans 1: The crocus flower is a natural thermometer It opens when temperature is precisely 23 and closes Ehen temperature drops
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9th Class Physics English Medium Chapter 8 Preparation - Set 3

Question # 1

Write the value of latent heat of fusion not aluminum and copper

  • Ans 1: Latent heat of fusion of Aluminum is 39.7 kg kg of leant heat of fusion of copper is
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9th Class Physics English Medium Chapter 8 Preparation - Set 4

Question # 1

What is meant by thermal expansion?

  • Ans 1: If change in temperature cause the change in length, or volume of a substance then it is called as thermal expansion of that substance.
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9th Class Physics English Medium Chapter 8 Preparation - Set 5

Question # 1

Why our clothes dry up more quickly in summer than in winter

  • Ans 1: Clothes dry up more quickly in summer than in winter because in summers temperature is high which inreases the rate of evaporation.
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9th Class Physics English Medium Chapter 8 Preparation - Set 6

Question # 1

What is a relationship between the coefficient of linear and bolume expansion

  • Ans 1: The coefficient of linear and volume expansion are related by the equation
    B=3a
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9th Class Physics English Medium Chapter 8 Preparation - Set 7

Question # 1

What is meant by anomalous expansion of water

  • Ans 1: Water on cooling below 4c begins to expand until it reaches further cooling its volume increases suddenly as it changes into ice at When ice is cooled below it contracts i.e. its volume decreases like solids. This unusual expansion of water is called the anomalous expansion of water
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9th Class Physics English Medium Chapter 8 Preparation - Set 8

Question # 1

Write names of two scales of measuring temperature

  • Ans 1: There are three scales of measuring temperature.
    Celsius scale
    Fahrenheit scale
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9th Class Physics English Medium Chapter 8 Preparation - Set 9

Question # 1

What is meant by internal energy of a body

  • Ans 1: The sum of potential energy and Kinetic energy associated with atoms, molecules and particles of a body is called its internal energy
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9th Class Physics English Medium Chapter 8 Preparation - Set 10

Question # 1

What is meant by latent heat of fusion

  • Ans 1: Latent heat of fusion: Heat energy required to change unit mass of a substance from solid to liquid stte at its melting point without change it its temperature is called its latent heat of fusion denoted by
  • Ans 2: Formula The formula of latent heart of fusion of water
    Unit: The S.I unit of latent heat of fusion is jkg
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9th Class Physics English Medium Chapter 8 Preparation - Set 11

Question # 1

What is a relationship between the coefficient of linear and volume expansion.

  • Ans 1: The coefficient of linear and volume expansion are related by the equation. Beta = 3a
Submit

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8th Unit

9th class Physics Chapter 8 (English Medium)

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