Multiple Choice
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.
Correct Answer:

Verified
Correct Answer:
Verified
Q2: Increasing the focal length in a telephoto
Q5: A magnifying lens with a focal length
Q8: Halving the focal length of a telephoto
Q16: Which of the following would decrease the
Q22: What is the f-number of a camera
Q25: What is the magnitude of the approximate
Q43: An optical fiber is made with core
Q45: A magnifier uses a:<br>A) diverging lens to
Q47: Doubling the focal length of the objective
Q49: An optical fiber is made with core