Which of the following is related to the temperature? 

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ISRO VSSC Technician-B (Fitter) Official Paper (Held On: 14 July 2021)
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  1. It is a form of energy 
  2. It is measured by calorie meter
  3. It is a measure of heat
  4. It has a unit calorie

Answer (Detailed Solution Below)

Option 3 : It is a measure of heat
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Explanation:

Temperature:

  • Temperature is a physical quantity that expresses quantitatively the perceptions of hotness and coldness.
  • It is a measure of heat.
  • Temperature is measured with a thermometer.
  • Thermometers are calibrated in various temperature scales.
  • There are three main temperature scales used for thermometers that are Celsius, Kelvin, and Fahrenheit.
  • The two most widely used temperature scales are Fahrenheit and Celsius.
  • Temperature is a measure of the average kinetic energy of the particles in an object.
  • When the temperature increases, the motion of these particles also increases.

Calorimeter:

  • A calorimeter is an object used for calorimetry or the process of measuring the heat of chemical reactions or physical changes as well as heat capacity.
  • Differential scanning calorimeters, isothermal micro calorimeters, titration calorimeters, and accelerated rate calorimeters are among the most common types.
  • A simple calorimeter just consists of a thermometer attached to a metal container full of water suspended above a combustion chamber.
  • It is one of the measurement devices used in the study of thermodynamics, chemistry, and biochemistry.
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