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Galileo’s original telescope (Figure 27–23) used a convex
Chapter 27, Problem 86GP(choose chapter or problem)
Problem 86GP
Galileo’s original telescope (Figure 27–23) used a convex objective and a concave eyepiece. Use a ray diagram to show that this telescope produces an upright image when a distant object is being viewed. Assume that the eyepiece is to the right of the object and that the right-hand focal point of the eyepiece is just to the left of the objective’s right-hand focal point. hr addition, assume that the focal length of the eyepiece has a magnitude that is about one-quarter the focal length of the objective.
Questions & Answers
QUESTION:
Problem 86GP
Galileo’s original telescope (Figure 27–23) used a convex objective and a concave eyepiece. Use a ray diagram to show that this telescope produces an upright image when a distant object is being viewed. Assume that the eyepiece is to the right of the object and that the right-hand focal point of the eyepiece is just to the left of the objective’s right-hand focal point. hr addition, assume that the focal length of the eyepiece has a magnitude that is about one-quarter the focal length of the objective.
ANSWER:Step 1 of 2
Galileo's telescope consists of a converging objective lens and a diverging eyepiece. The focal length of the object is four times that of the eyepiece.
