An object is 20 cm to the left of a lens of focal length +10 cm.A second lens, of focal length +12.5 cm, is 30 cm to the right of the first lens.The distance between the original object and the final image is:
A)0 cm
B)28 cm
C)50 cm
D)100 cm
E)infinite

Question

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The Answer of An object is 20 cm to the left of a lens of focal length +10 cm.A second lens, of focal length +12.5 cm, is 30 cm to the right of the first lens.The distance between the original object and the final image is:
A)0 cm
B)28 cm
C)50 cm
D)100 cm
E)infinite

An Object Is 20 Cm to the Left of a Lens