Which achievement is attributed to Evangelista Torricelli, a pupil of Galileo, in 1643?
Answer and explanation
Correct answer: B. The invention of the mercury barometer and the demonstration of atmospheric pressure
- Step 1: Torricelli filled a tube with mercury and inverted it in a dish. Step 2. The column fell to about 76 centimetres, leaving a vacuum above and showing that air has weight. Answer: The invention of the mercury barometer and the demonstration of atmospheric pressure. Why not the others: the other options describe the work of Galileo, Volta and Marconi.
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