A discovery useful to telescope makers was made by Isaac Newton, namely that the surface of a liquid spun in a circle assumes the shape of a
A) sphere.
B) parabola.
C) ellipse.
D) hyperbola.

Question

Quizplus · Accepted Answer

Isaac Newton discovered that the surface of a liquid spinning in a circle assumes the shape of a parabola. This principle is useful in the making of telescopes, particularly in the grinding and shaping of mirrors to a precise parabolic shape, which is essential for focusing light correctly.

A Discovery Useful to Telescope Makers Was Made by Isaac