what are the units of temperature?
Answers
Answer:
- Kelvin (K)
- Fahrenheit (°F)
- Celsius (°C)
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Answer:
Temperature is a measure of how hot or cold something is. It is a physical quantity. Temperature can be measured in terms of the kinetic energy of the particles. It defines the rate of movement of particles moving inside a material. It is considered to be an average measure. The higher the temperature, the faster is the movement of the particles composing the substance.
Temperature can be measured easily using a thermometer. Thermometers rely on a scale to measure the rate of hotness or coldness of a body. Upon heating the substance, the kinetic energy of the particles increases. As a result, the volume or mass of the substance changes. The expansion of the substance can be measured using the thermometer. The most widely used scale to measure temperature is Celsius. Temperature can be measured using degrees. It is calibrated by marking two fixed points on the body. The space between these two marked fixed points is broken up into a constant number of divisions termed degrees.
The S.I unit of temperature is Kelvin, denoted by K. It was devised by Lord Kelvin. Though the scientists commonly use the scale Celsius or Centigrade (°C). Kelvin degree scale has the same measurement as the Celsius degree scale. In Kelvin’s scale, the zero point is 273.15 which is considered to be below that of the Celsius scale. Every division of the Kelvin scale is considered to be equivalent to a degree of the Celsius scale. The scale used in most of the world is in degrees Celsius, sometimes called “centigrade”. It is most widely used in everyday applications. It is a convenient and comfortable unit of temperature measurement since it measures the freezingpoint of water at 0o C and boiling points at 100o C respectively.