Suppose you are stranded on a desert island with the publisher of your physics text. You need to start a fire and to do this you decide to focus the sun wit eyeglasses. Your book publisher knows about physics and so they will use the glasses of someone who is
A) astigmatic.
B) farsighted.
C) nearsighted
D) myopic

Question

Quizplus · Accepted Answer

Farsighted glasses are convex lenses, which can focus sunlight to a point and start a fire. Nearsighted (myopic) and astigmatic glasses do not have the correct shape to effectively focus sunlight in this manner.

Suppose You Are Stranded on a Desert Island with the Publisher