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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

Physics to Save Life

Physics

Chapter - 14: Physics to Save Life

👉 All Chapter Contents 👈 


  • 14.1 Background of Biophysics
  • 14.2 Contributions of Jagadish Chandra Bose
  • 14.3 Human Bodies and Machines
  • 14.4 Diagnostic Instruments
  • 14.5 Physics in Treatment


Question Bank

14.1 Background of Biophysics


14.2 Contributions of Jagadish Chandra Bose


14.3 Human Bodies and Machines


14.4 Diagnostic Instruments


14.5 Physics in Treatment




Secondary Physics


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