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Question: 

A planoconvex lens (Fig. 23–31a) has one flat surface and the other has R = 14.5 cm. This lens is used to view a red and yellow object which is 66.0 cm away from the lens. The index of refraction of the glass is 1.5106 for red light and 1.5226 for yellow light. What are the locations of the red and yellow images formed by the lens? [Hint: See Section 23–10.]

(a) Converging lenses.

Figure 23-31 (a) Converging lenses.

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

Quick Answer: 

red: 49.8 cm, yellow: 47.9 cm

Giancoli 7th Edition, Chapter 25, Problem 52

(2:36)

Chapter 25, Problem 52 is solved.

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