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Two thin lenses with a focal length of magnitude of 12 centimeter. The first converging and the second diverging are placed 20 centimeter apart. As an object 2.50 millimeter tall is located 24 centimeter to the left of the first (converging) lens.

(a) Find how far from this first lens in the final image formed?

(b) Estimate is the final image real or virtual?

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