Use the internet and find out the thermometers which were used in the past. On which principles where they based? What were their advantages and disadvantages? Why are they not used nowadays? Prepare a project report on the same.
Answers
Answer:
In the first decades of the 18th century in the Dutch Republic, Daniel Gabriel Fahrenheit made two revolutionary breakthroughs in the history of thermometry. He invented the mercury-in-glass thermometer (first widely used, accurate, practical thermometer) and Fahrenheit scale (first standardized temperature scale to be widely used).
Thermometers were based on the rising and falling of mercury.
It was not accurate as mercury is liquid at room temperature and its level changed continuesly so it was hard to get a proper accurate reading.
Nowadays digital thermometers are used.
They are more accurate and precise.
Explanation:
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Answer:
Thermometers were based on the rising and falling of mercury.
It was not accurate as mercury is liquid at room temperature and its level changed continuesly so it was hard to get a proper accurate reading.
Nowadays digital thermometers are used.
They are more accurate and precise.
Explanation:
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