Solution:
(iii) The relationship exists because the melting point of ice equates to on the Kelvin scale, and the triple point of water corresponds to on the Kelvin scale.
(iv) We know that,
The following is the relationship between the Fahrenheit scale and the Absolute scale:
For another set of and
Subtracting Equation (1) and (2):
For,
For the triple point temperature , the temperature on the new scale