Multiple choice general knowledge

Galileo’s first scientific discovery was:

  1. Barometer

  2. Concave Lens

  3. Hygrometer

  4. Pendulum
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Galileo discovered the isochronism of the pendulum in 1583 - that the time period of a pendulum's swing is constant regardless of amplitude. This was his first significant scientific discovery made while observing a chandelier in Pisa cathedral.

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