In this video we will learn about the temperature and its units. We will also get to know about the latent heat.
The degree Celsius is the most commonly used unit to measure the temperature. The laboratory thermometer and the clinical thermometer are both calibrated on Celsius scale of temperature.
Even the temperature measured in Kelvin or Degree Fahrenheit can be related to the Degree Celsius value.
a) The relation between Kelvin scale and Celsius scale can be written as:
Temp. on Kelvin scale = Temp. on Celsius scale + 273
Absolute zero temperature = 0 K = - 273 C
b) Relation between Degree Celsius and Degree Fahrenheit:
C = ( 0F – 32) * 5/9
The temperature at which both degree Fahrenheit and degree Celsius values are same is -40.
i.e. – 40F = – 40C
a) By changing the temp.
b) By changing the pressure
c) By changing both temp. and pressure
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