What is the principle of operation of the Galileo thermometer?

I - The principle of operation of the Galileo thermometer is based on the expansion...

Question

What is the principle of operation of the Galileo thermometer?

I - The principle of operation of the Galileo thermometer is based on the expansion of substances.
II - The principle of operation of the Galileo thermometer is based on the contraction of substances.
III - The principle of operation of the Galileo thermometer is based on the resistance of substances.
a) Only I is correct.
b) Only II is correct.
c) Only III is correct.
d) I and II are correct.
e) I and III are correct.

Ed · Answer

O princípio de operação do termômetro de Galileu é baseado na expansão de líquidos, mais especificamente, na variação da densidade do líquido em relação à temperatura. Quando a temperatura aumenta, a densidade do líquido diminui, fazendo com que a esfera flutue em um nível mais alto. Quando a temperatura diminui, a densidade do líquido aumenta, fazendo com que a esfera flutue em um nível mais baixo. Portanto, a alternativa correta é a letra "a) Only I is correct."

What is the principle of operation of the Galileo thermometer? I - The principle of operation of the Galileo thermometer is based on the expansion...

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