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What is thermometry?

Thermometry The branch of heat relating to the measurement of the temperature of a body is called thermometry. The thermometer is an instrument used to measure the temperature of a body. The essential requisites of a thermometer are given as under:  1) Construction, 2) Calibration, and 3) Sensitiveness. For the construction of a thermometer, the proper choice of a substance, whose physical property varies uniformly with rising in temperature, is essential. 1) Construction The physical property of a substance plays an important role in the construction of a thermometer. In a mercury thermometer, the principle of expansion of mercury with rising temperature is used. The platinum resistance thermometer is based on the principle of the change in resistance with a change in temperature. The gas thermometer is based on the principle of change in volume or pressure with a change in temperature. 2) Calibration  When a thermometer is constructed, it should be properly calibrated. The standa

State of Matter and Pressure

Physics

Chapter - 5: State of Matter and Pressure

👉 All Chapter Contents 👈 


  • 5.1 Pressure
  • 5.2 Density
  • 5.3 Pressure in liquids
  • 5.4 Air Pressure
  • 5.5 Elasticity
  • 5.6 Three States of Matter: Solid, Liquid, and Gas


Question Bank

5.1 Pressure

  • What is pressure?
  • What is the unit of pressure?
  • What is the dimension of pressure?
  • What do you understand by 1 pascal?
  • What is area?
Mathematical Problems:
  • Will be added...

5.2 Density

  • What is density?
  • What is volume?
  • Uses of density in our daily life.
  • What do you understand by the density of water is 1000 kgm-3?
  • What do you understand by the density of gold is 19300 kgm-3?
  • How can we determine whether the eggs are good or rotten by submerging in water - explain.
Mathematical Problems:
  • Will be added...

5.3 Pressure in liquids


5.4 Air Pressure


5.5 Elasticity


5.6 Three States of Matter: Solid, Liquid, and Gas



Secondary Physics


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