The SI unit of temperature is
The SI unit of temperature is the kelvin (K). It is defined based on the triple point of water, where water exists in equilibrium as a solid, liquid, and vapor. The kelvin scale is an absolute temperature scale, with 0 K representing absolute zero, the lowest possible temperature theoretically achievable.
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The SI unit of temperature is; option [A] Kelvin. Kelvin is the base unit for temperature measurement in the International System of Units (SI). Celsius (option [B]), Centigrade (option [C]), and Fahrenheit (option [D]) are alternative temperature scales. However, Kelvin is the preferred unit in scientific contexts and is defined based on absolute zero, making it the standard unit for thermodynamic temperature measurements. Celsius and Centigrade scales share the same unit size, while Fahrenheit is a different scale commonly used in the United States. Understanding the distinction between these temperature scales is essential in various scientific fields, particularly in thermodynamics, physics, and engineering, where precise temperature measurements are crucial for accurate calculations and experiments.