RCW9%20solutions

# RCW9%20solutions - Recitation ClassWork 9 solutions Physics...

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Recitation ClassWork 9 solutions Physics 204 evening summer 2008 2. CONCEPT QUESTION In part a of the drawing, the object lies inside the focal point of the converging (#1) lens. According to Figure 26.28, such an object produces a virtual image that lies to the left of the lens. This image act as the object for the diverging (#2) lens. Since a diverging lens always produces a virtual image that lies to the left of the lens, the final image lies to the left of the diverging lens. In part (b), the diverging (#1) lens produces a virtual image that lies to the left of the lens. This image act as the object for the converging (#2) lens. Since the object lies outside the focal point of the converging lens, the converging lens produces a real image that lies to the right of the lens (see Figure 26.26). Thus, the final image lies to the right of the converging lens. SOLUTION a. The focal length of lens #1 is f 1 = 15.00 cm, and the object distance is d o1 = 10.0 cm. The image distance d i1 produced by the first lens can be obtained from the thin-lens equation, Equation 26.6:

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## This note was uploaded on 10/04/2009 for the course PHYS 750:204 taught by Professor Rollino during the Spring '09 term at Rutgers.

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RCW9%20solutions - Recitation ClassWork 9 solutions Physics...

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