A little known fact is that both Robinson Crusoe and Friday wore eyeglasses. As it so happens, Robinson Crusoe was farsighted while Friday was nearsighted. Whose eyeglasses did they use whenever they wanted to start a fire by focusing the Sun's rays?
A) Robinson Crusoe's
B) Friday's
C) Both would work equally well.
D) Both actually worked, but Friday's was a little bit better.
E) Neither's worked, they were in possession of matches.

Question

Quizplus · Accepted Answer

Robinson Crusoe's eyeglasses would be used to start a fire because farsighted glasses are convex lenses, which can focus sunlight to a point and ignite tinder.

A Little Known Fact Is That Both Robinson Crusoe and Friday