CHAPTER 08 - THERMAL PROPERTIES OF MATTER | 9TH PHYSICS NOTES

Qasim Tariq 11-01-2020Notes


After studying this unit, the students will be able to:

  • define temperature (as quantity which determines the direction of flow of thermal energy).
  • define heat (as the energy transferred resulting from the temperature difference between two objects).
  • list basic thermometric properties for a material to construct a thermometer.
  • convert the temperature from one scale to another (Fahrenheit, Celsius and Kelvin scales).
  • describe rise in temperature of a body in terms of an increase in its internal energy.
  • define the terms heat capacity and specific heat capacity.
  • describe heat of fusion and heat of vaporization (as energy transfer without a change of temperature for change of state).
  • describe experiments to determine heat of fusion and heat of vaporization of ice and water respectively by sketching temperature-time graph on heating ice.
  • explain the process of evaporation and the difference between boiling and evaporation.
  • explain that evaporation causes cooling.
  • list the factors which influence surface evaporation.
  • describe qualitatively the thermal expansion of solids (linear and volumetric expansion).
  • explain thermal expansion of liquids (real and apparent expansion).
  • solve numerical problems based on the mathematical relations learnt in this unit.


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  • 9th Physics Notes
  • 9th Physics Chapter 8
  • Matric Notes
  • Class IX Helping Notes
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  • Matric Part-1 Notes

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