Unlike the refracting astronomical telescope discussed in the text that gives an inverted image, Galileo's telescope produced an upright image. What did he do differently to accomplish this?
A) He rotated the barrel of the telescope 180°.
B) He used diverging lenses for both the eyepiece and the objective.
C) He used a diverging lens for the eyepiece.
D) He used a diverging lens for the objective.

Question

Quizplus · Accepted Answer

Galileo used a diverging lens (concave lens) for the eyepiece, which allowed the telescope to produce an upright image.

Unlike the Refracting Astronomical Telescope Discussed in the Text That