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40 votes
Define the lower fixed point of thermometer

User BlackJack
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2 Answers

14 votes
14 votes

The lower fixed point of a thermometer is the temperature of a pure melting ice at atmospheric pressure of 1 atm

What is a thermometer?

A thermometer is an instrument used in measuring temperature. iThermometers usually have toe fixed ponts the upper fixed pont and the lower fixed point.

The lower fixed point corresponds to the temperature of a pure melting ice at 1 atm

1 atm is normal atmospheric pressure and equal to 101325 Pa

User Jeeten Parmar
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7 votes
7 votes

Answer:

The temperature of pure melting ice at normal atmospheric pressure is known as the lower fixed point of thermometer

User Vincent Ketelaars
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