Complete the sentence about Panthéon, Paris with the correct year: In ______, Léon Foucault conducted a demonstration of diurnal motion at the Panthéon by suspending a pendulum from the ceiling, a copy of which is still visible today.

Answer and explanation

Correct answer: B. 1851

  1. Step 1: In 1851, Léon Foucault conducted a demonstration of diurnal motion at the Panthéon by suspending a pendulum from the ceiling, a copy of which is still visible today. Answer: 1851. Why not the others: 1859, 1841 and 1836 don't fit.

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