An object is placed 40 cm in front of a 20 cm focal length converging lens. How far is the image of this object from the lens?
A)40 cm
B)80 cm
C)20 cm
D)13 cm
E)none of the given answers

Question

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The Answer of An object is placed 40 cm in front of a 20 cm focal length converging lens. How far is the image of this object from the lens?
A)40 cm
B)80 cm
C)20 cm
D)13 cm
E)none of the given answers

An Object Is Placed 40 Cm in Front of a 20