The objective of a certain lens system is a double-convex lens of 10.2 cm focal length; the eyepiece is a lens of 15.2 cm focal length and is placed 25.4 cm behind the objective.When an object is 30.5 cm in front of the objective,how far is the image from the eyepiece?
A)44.2 cm
B)30.5 cm
C)5.08 cm
D)22.1 cm
E)61.0 cm

Question

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The Answer of The objective of a certain lens system is a double-convex lens of 10.2 cm focal length; the eyepiece is a lens of 15.2 cm focal length and is placed 25.4 cm behind the objective.When an object is 30.5 cm in front of the objective,how far is the image from the eyepiece?
A)44.2 cm
B)30.5 cm
C)5.08 cm
D)22.1 cm
E)61.0 cm

The Objective of a Certain Lens System Is a Double-Convex