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(n):
A) sphere.
B) parabola.
C) ellipse.
D) hyperbola.

Question

Quizplus · Accepted Answer

Isaac Newton discovered that when a liquid is spun in a circle, its surface forms a parabola. This principle is used in the design of reflecting telescopes, where a parabolic mirror is used to focus light.

A Discovery Useful to Telescope Makers Was Made by Isaac