- The Kelvin scale starts at absolute zero (0 K), where particle motion theoretically stops. - The Celsius scale is based on the phase change points of water at standard pressure (0°C for freezing, 100°C for boiling). - The temperature 0°C corresponds to 273.15 K. - The formula T = t_c + 273.15 correctly shifts the zero point of the Celsius scale to match the absolute zero of the Kelvin scale while maintaining the same interval size.
Which one of the following is the correct relation between the Kelvin temperature (T) and the Celsius temperature (t_c)?
Asked in UPSC CDS 1 2018 · Topic: Heat and Thermodynamics (Zeroth and First Laws of Thermodynamics (Internal Energy, Work, Heat, Enthalpy))
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