Two thin lenses with 6.80-cm focal lengths at are mounted at opposite ends of a 18.8-cm long tube.An object is located 20.4 cm from one end of the tube.How far from the opposite end is the final image?
A)8.88 cm
B)32.5 cm
C)4.54 cm
D)8.60 cm
E)20.4 cm

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The Answer of Two thin lenses with 6.80-cm focal lengths at are mounted at opposite ends of a 18.8-cm long tube.An object is located 20.4 cm from one end of the tube.How far from the opposite end is the final image?
A)8.88 cm
B)32.5 cm
C)4.54 cm
D)8.60 cm
E)20.4 cm

Two Thin Lenses with 6