Question

2 what do you mean by uller fixed point? Mertin the
uller loint of Lahrenheit scale give answer ​

Answer 1

Answer:

The upper fixed point of 212 degrees corresponded to boiling of water. The third fixed point of 96 degrees corresponded to human body temperature (which was later corrected to 98.6 degrees, the value we use today). Fahrenheit scale is not as commonly used in today's world, as the Celsius scale.

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Answer 2

Answer:

The upper fixed point or steam point is the temperature of pure boiling water at normal atmospheric pressure.. Once we have two fived points we can define a temperature scale..

The upper fixed point of the Fahrenheit scale is 212°C .