An object is 15.2 cm in front of a thin converging lens that has a focal length

Question

An object is 15.2 cm in front of a thin converging lens that has a focal length equal to 10.0 cm. A concave mirror that has a radius equal to 10.0 cm is 22.7 cm in back of the lens. Find the position of the final image formed by the mirror-lens combination. cm from the lens, on the same side as the original object. Is the image real or virtual? Is the image upright or inverted? On a diagram, show where your eye must be to see this image. (Do this on paper. Your instructor may ask you to turn in this work.)

Explanation / Answer

a) 1/f = 1/d0+1/di

1/10 = (1/15.2)+(1/di)

  di = 25 cm

b) Image is real.

Image is upright.

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