Question

Define triple point of water and give it's value
This is 11th std physics ​

Answer 1

Answer:

It is the temperature at which the three phases of water, namely, ice, liquid water and water vapour are equally stable and coexistent. The triple point is suitable because it is unique, i.e., it occurs at one single temperature = 273.15 K and one single pressure of about 0.46 cm of the Hg column. Hope it will help you with the question

Answer 2

Answer:

in thermodynamics the triple point of a substances is the temperature and pressure at which the three phases of that substances coexist in

thermodynamics equilibrium . it is that temperature and pressure at which the sublimation curve , fusion curve and the vaporisation curve meet

Explanation:

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